Skip to main content

Home
Info
Contact Us

18 tooth sprocket 4 speed UNIT

Add to Cart

Quantity

£35.99

Technical

Part Number:

57.1917

Weight:

0.34 kg

Bike Model:

T120

United Kingdom VAT Rates:

GB Standard

Browse

Select the model of your bike, then choose the product category you require.

For more information on ordering click here

You can also view our

Deal of the month

BSA

A7 / A10

Pre-unit B31 B33 Gold Star

A50 / A65

Rocket 3

Unit Singles B25 B44 B50

Norton

Dominator

Commando

Triumph

T120

Unit 3TA 5TA T100

T140

Pre-Unit T100 T110 T120

T150

T160

Product Category

Bottom End & Timing Covers
Carburettors, Kits & Accessories
Castrol Oils, Lubricants & Accessories
Chassis Parts, Upgrades & Specials
Clutch
Cylinders
Cylinder Head & Rocker Boxes
Electrical
Gaskets Seals & Lock Tabs
Gear Box
Stainless Steel Nuts Etc
SRM Special Products
Tools Section

User login

Username *

Password *

Create new account
Request new password

Search

Title

Part Number

Shopping cart

Your shopping cart is empty.

CONTACT US

SRM Engineering
Unit 22 Glanyrafon Enterprise Park
Aberystwyth
Ceredigion
SY23 3JQ
UK
Telephone: 01970 627771
Fax: 01970 627773
email: click here

DEAL OF THE MONTH

Click HERE to review our latest deal of the month. Keep checking back, as we regularly update this site with a great way for you to save money !

WHERE ARE WE LOCATED?

Our location

FOLLOW US

If you would like to sign up for the SRM EShot which contains information about recent innovations in Classic Bike Restoration and information about new products.

©2025 SRM Classic Bikes. Drupal Website Development by Drupology.