Small Parts & Bearings - an MBA company

General Derailer Sprocket Parts Categories


Pushbike Bearings


General Derailer Sprocket Parts
General Derailer Sprocket Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Tools - Pullers - Small
Tools - Pullers - Small

Also see combined categories:
All Tools

Small pullers for miniature bearings, gears, pulleys, sprockets and other pressed on parts.



Rod - Drill - General
Rod - Drill - General

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

Chrome vanadium alloy with unfinished ends. Requires heat treating to harden. Small diameters may not be perfectly straight. Heat treating by air, water or oil.

Related Information:


Bushings - QD
Bushings - QD


Used with QD type cast iron vee pulleys, timing pulleys, sprockets, poly vee pulleys and other parts designed specifically for use with a QD bushing

Similar to a taperlock bush, but not interchangeable. QD bushings like taperlock bushings allow for use of a single stock pulley for many applications with different shaft sizes. Select the correct QD series to suit the pulley.


Rod - Drill - A-2 Air Hardening
Rod - Drill - A-2 Air Hardening

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

Air hardening. Maximum abrasion resistance. 65 percent machinability. Requires heat treating to harden. Small diameters may not be perfectly straight.


Rod - Drill - O-1 Oil Hardening
Rod - Drill - O-1 Oil Hardening

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

For general toolroom use. Good non-deforming characteristics. Moderate resistance to abrasion. 90 percent machinability. Requires heat treating to harden. Small diameters may not be perfectly straight.


Rod - Drill - Oil Hardening - 480 Series
Rod - Drill - Oil Hardening - 480 Series

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

General purpose tool steel with good wear resistance, toughness and machinability. Requires heat treating to harden. Small diameters may not be perfectly straight.


Rod - Drill - S-7 Air Hardening
Rod - Drill - S-7 Air Hardening

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

Air hardening molybdenum, chromium, shock resisting. High impact strength with moderate wear resistance. 95 percent machinability. Requires heat treating to harden. Small diameters may not be perfectly straight.


Rod - Drill - W-1 Water Hardening
Rod - Drill - W-1 Water Hardening

Also see combined categories:
All Metal Bar - Silver Steel and Drill Rod
All Drill Rod

For punches dies and high strength machine parts. Unhardened - requires heat treatment.

High abrasion resistance and high toughness when hardened. 100 percent machinability. Requires heat treating to harden. Small diameters may not be perfectly straight.


Tube - Round - Stainless Steel
Tube - Round - Stainless Steel

Also see combined categories:
All Metal Tube - Round

Hollow round tubing for general hobby applications.

For general hobby applications. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground.

Related Information:


Rod - Round - Aluminium
Rod - Round - Aluminium

Also see combined categories:
All Metal Rod - Round

For general hobby applications.

NOTE! Very thin sizes may experience some bending. They may not be straight for the entire length. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground.

Related Information:


Rod - Round - Brass
Rod - Round - Brass

Also see combined categories:
All Metal Rod - Round

For general hobby applications.

NOTE! Very thin sizes may experience some bending. They may not be straight for the entire length. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground.

Related Information:


Rod - Round - Stainless Steel
Rod - Round - Stainless Steel

Also see combined categories:
All Metal Rod - Round

For general hobby applications.

NOTE! Very thin sizes may experience some bending. They may not be straight for the entire length. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground.

Related Information:


Tube - Round - Aluminium
Tube - Round - Aluminium

Also see combined categories:
All Metal Tube - Round

Hollow round tubing for general hobby applications.

For general hobby applications. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground. Many sizes fit neatly into larger sizes to allow for telescoping size applications. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:


Tube - Round - Brass
Tube - Round - Brass

Also see combined categories:
All Metal Tube - Round

Hollow round tubing for general hobby applications.

For general hobby applications. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground. Many sizes fit neatly into larger sizes to allow for telescoping size applications. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:


Tube - Round - Copper
Tube - Round - Copper

Also see combined categories:
All Metal Tube - Round

Hollow round tubing for general hobby applications.

For general hobby applications. May be slightly oversized on OD so some reworking may be required before fitting closely mating parts such as bearings. For use with bearings we suggest you use items from the category - Shafting - Ground. Many sizes fit neatly into larger sizes to allow for telescoping size applications. Some items may be available in longer or shorter lengths. e-mail sales@smallparts.com.au with enquiries.

Related Information:




Sprockets - Ladder Chain - 7.264mm Pitch - Size 18
Sprockets - Ladder Chain - 7.264mm Pitch - Size 18

Also see combined categories:
All Sprockets for Ladder Chain

Plastic, bronze and steel.


Related Information:


Sprocket Plates - 12.7 x 7.75mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates - 12.7 x 7.75mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.75mm simplex chain (08B BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 08B - 1/2 inch. With and without hubs. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 12.7 x 7.85mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates - 12.7 x 7.85mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.85mm simplex chain (40-1 ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 08B - 1/2 inch. With and without hubs. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 15.88 x 9.65mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates - 15.88 x 9.65mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 15.90x9.65mm duplex steel chain (10B-2 BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 10B - 5/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 19.05 x 11.68mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates - 19.05 x 11.68mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 19.05x11.68mm simplex steel chain (12B-1 BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 12B - 3/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 6.35 x 2.8mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates -  6.35 x 2.8mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

25-1 ASA 1/4 Inch

Match with 6.35mm simplex chain. American Standard 25-1 - 1/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 9.53 x 4.8mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates -  9.53 x 4.8mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 9.53x4.8mm steel chain (35ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 06B - 3/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprocket Plates - 9.53 x 5.7mm - Simplex - Carbon Steel - Plain Bore
Sprocket Plates -  9.53 x 5.7mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 9.53x5.7mm steel chain (06B BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 06B - 3/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 12.7 x 6.38mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 12.7 x 6.38mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x6.38mm simplex chain (41-1 ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. American Standard 41-1 - 1/2 inch.

Related Information:


Sprockets - 12.7 x 7.75mm - Duplex - Carbon Steel - Plain Bore
Sprockets - 12.7 x 7.75mm - Duplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.75mm duplex chain (08B-2 BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 08B - 1/2 inch.

Related Information:


Sprockets - 12.7 x 7.75mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 12.7 x 7.75mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.75mm simplex chain (08B BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 08B - 1/2 inch. With and without hubs. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 12.7 x 7.75mm - Simplex - Carbon Steel - Taperlock
Sprockets - 12.7 x 7.75mm - Simplex - Carbon Steel - Taperlock

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.75mm simplex chain (08B BS)

Taperlock Bored sprockets need to be matched up with a taperlock bush to obtain the correct bore size. British Standard 08B - 1/2 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 12.7 x 7.85mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 12.7 x 7.85mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 12.70x7.85mm simplex chain (40-1 ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. American Standard 40-1 - 1/2 inch. With and without hubs. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 15.88 x 9.4mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 15.88 x 9.4mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 15.90x9.4mm steel chain (50-1 ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. American Standard 50-1 - 5/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 15.88 x 9.65mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 15.88 x 9.65mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 15.90x9.65mm duplex steel chain (10B-2 BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 10B - 5/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 19.05 x 11.68mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 19.05 x 11.68mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 19.05x11.68mm simplex steel chain (12B-1 BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 12B - 3/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 19.05 x 12.57mm - Simplex - Carbon Steel - Plain Bore
Sprockets - 19.05 x 12.57mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 19.05x12.57mm simplex steel chain (60-1 ASA)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. American Standard 60-1 - 3/4 inch.

Related Information:


Sprockets - 3.12 x 1.47mm - Simplex - Plastic
Sprockets -  3.12 x 1.47mm - Simplex - Plastic

Also see combined categories:
All Sprockets for Roller Chain

Nylon - Acetal - With and without bore inserts.

Match with series 3.12mm miniature plastic chain.

Related Information:


Sprockets - 3.75 x 1.6mm - Simplex - Plastic
Sprockets -  3.75 x 1.6mm - Simplex - Plastic

Also see combined categories:
All Sprockets for Roller Chain

Nylon - Acetal - With and without bore inserts.

Match with series 3.75mm miniature plastic or stainless chain.

Related Information:


Sprockets - 3.75 x 1.6mm - Simplex - Stainless Steel - Plain Bore
Sprockets -  3.75 x 1.6mm - Simplex - Stainless Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Miniature 3.75mm Pitch.

Match with 3.75mm simplex chain. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 6.35 x 2.8mm - Simplex - Carbon Steel - Finished Bore
Sprockets -  6.35 x 2.8mm - Simplex - Carbon Steel - Finished Bore

Also see combined categories:
All Sprockets for Roller Chain

25-1 ASA 1/4 Inch. With finished bore.

Match with 6.35mm simplex chain. American Standard 25-1 - 1/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 6.35 x 2.8mm - Simplex - Carbon Steel - Plain Bore
Sprockets -  6.35 x 2.8mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

25-1 ASA 1/4 Inch. With unfinished bore.

Match with 6.35mm simplex chain. American Standard 25-1 - 1/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 6.35 x 2.8mm - Simplex - Plastic
Sprockets -  6.35 x 2.8mm - Simplex - Plastic

Also see combined categories:
All Sprockets for Roller Chain

Nylon - Acetal - With and without bore inserts.

Match with series 6.35mm plastic or steel chain (25-1 ASA). American Standard 25-1 - 1/4 inch.

Related Information:


Sprockets - 6.35 x 2.8mm - Simplex - Stainless Steel - Plain Bore
Sprockets -  6.35 x 2.8mm - Simplex  - Stainless Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

25-1 ASA 1/4 Inch. Stainless Steel 303 grade with unfinished bore.

Match with 6.35mm simplex chain. American Standard 25-1 - 1/4 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 9.53 x 4.7mm - Simplex - Carbon Steel - Plain Bore
Sprockets -  9.53 x 4.7mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 9.53x4.7mm steel chain (35-1 ASA)

Finish bored and keyed sprockets with black oxide finish. Hub diameters vary to suit bore. American Standard 35-1 - 3/8 inch.

Related Information:


Sprockets - 9.53 x 4.7mm - Simplex - Plastic
Sprockets -  9.53 x 4.7mm - Simplex - Plastic

Also see combined categories:
All Sprockets for Roller Chain

Nylon - Acetal - With and without bore inserts.

Match with series 9.53x4.7mm plastic or steel chain (35-1 ASA). American Standard 35-1 - 3/8 inch.

Related Information:


Sprockets - 9.53 x 5.7mm - Simplex - Carbon Steel - Plain Bore
Sprockets -  9.53 x 5.7mm - Simplex - Carbon Steel - Plain Bore

Also see combined categories:
All Sprockets for Roller Chain

Match with 9.53x5.7mm steel chain (06B BS)

Pilot bored sprockets come with a very small bore that will need to be machined by the customer to suit their shaft size. British Standard 06B - 3/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - 9.53 x 5.7mm - Simplex - Plastic
Sprockets -  9.53 x 5.7mm - Simplex - Plastic

Also see combined categories:
All Sprockets for Roller Chain

Nylon - Acetal - With and without bore inserts.

Match with series 9.53x5.7mm steel chain (06B BS). British Standard 06B - 3/8 inch. For easy ready selected sets of chain and sprockets please see the HES website.

Related Information:


Sprockets - Idler
Sprockets - Idler

Also see combined categories:
All Sprockets for Roller Chain

Complete with Needle Roller or Ball Bearings. 3.75mm to 25.4mm pitch.

Can be used directly on shafts with a surface hardnes of RC 58 or higher. Can be run on hardened Inner Rings. See also Drive Tighteners. 12.7mm Bore models can be run directly on the drive tighteners.

Related Information:


Chain - Roller - Plastic - Simplex
Chain - Roller - Plastic - Simplex

Also see combined categories:
All Roller Chain

Includes acetal, polyproylene and nylon. Miniature size from 3.1mm up to 12.7mm. Single row.

Snap together construction - no joining links required.

Related Information:


Chain - Roller - Metal - Duplex - Links
Chain - Roller - Metal - Duplex - Links

Also see combined categories:
All Roller Chain Links

High tensile steel. Double row.



Chain - Roller - Metal - Simplex - Links
Chain - Roller - Metal - Simplex - Links

Also see combined categories:
All Roller Chain Links

Includes Miniature Sizes. Single row.



Assemblies - Locking - Flanged
Assemblies - Locking - Flanged

Also see combined categories:
All Locking Assemblies

Suitable for locking sprockets, pulleys, eccentric shafts.

Locks components with a bore of (D) to shafts with a diameter of (d). C60 Steel (060A62). Outer ring expands whilst inner ring contracts. Flange eliminates axial movement of secured component. During tightening of the screws, the hub must be able to perform axial movement. Clearance h8 / H8. Surface roughness Rt max 10um shaft / hub.


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Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 125378 products in 2754 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.

Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 125378 products in 2754 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.