RK Sprocket Front -C2145-13 JTF253 3325313

Gearbox Sprocket
253 13 SPROCKET JT255 272 FRONT C2145 253 13 SPROCKET JT255 272 front gearbox countershaft gear box transmission cog RK C2145 AFAM 20104 253x13 SPROCKET JT255 272 FRONT RK C2145 AFAM 20104 253 13 SPROCKET JT255 272 FRONT RK C2145 AFAM 20104 253 13 Steel 20104 C2145 3325313 SKU3325313 Sprocket Front RK C2145 13 JTF253 Sprocket Front RK C2145 13 JTF253 Gearbox Sprocket Street Steel Sprockets Gearbox steel sprockets C2145 13
  • £2.22 (Exc. VAT)
+ In Stock Now | Usually dispatched within 24 hours
Click & Collect Only Select your local dealer on checkout
Find A Stockist Find your nearest dealer (not limited to Click & Collect)
Trade Customer? Request an account application form
253 sprocket - 13 teeth - for a 420 chain - 1/2 x1/4

The vast majority of our sprocket stock is now manufactured by Supersprox or AFAM. This will become 100% as we replace older stock

All Supersprox or AFAM gearbox sprockets are manufactured from 20CrMnTi Carbon Alloy Steel

Please note: on occasion we may supply a substitute brand of a similar high quality to be able to maintain supply.

IF YOU WANT A SPECIFIC BRAND of sprocket. Please contact our sales office directly or make a note on your order. We will endeavour to supply the brand you want and will contact you if it is unavailable with options/p>

  • Teeth:
  • Material:
  • Centre:
  • RK Ref:
  • Application:
  • Position:

For full fitment details in a searchable list please check the FITMENTS tab.

  • Honda: C 50Cub, C 50L, C 50ZZ, CB 50J, MT 50SB, MT 50SC, MT 50SD, MT 50SE, MT 50SF, MT 50SG, MT 50SH, MT 50SJ, MT 50SK, MT 50SL, MT 50SM, MT 50SN, MT 50SP, MT 50SR, SS 50ZB2, SS 50ZB3, SS 50ZB4

Product FAQs
Which RK chain is suitable for my motorcycle, scooter or ATV?

Using the vehicle selector you can select which RK chains are compatible with your motorcycle, scooter or ATV.
We also list all compatible vehicles on the FITMENTS tab of each product page.

For a brief overview of the grades of chain, their specification and applications, you can download the RK guide here or from the downloads page

RK Chain Maintenance Instruction Video

Watch the RK instruction video on how to best maintain your chain: www.youtube.com/watch?v=PIPnLeiTXyk


Click & Collect Only

Select a collection point from our network of available dealers. You will be notified by the chosen dealer once your order is ready to collect, estimated time is 2-3 days (depending on national holidays and dealer opening hours).

  • Free for orders over £100
  • £11.95 fee for orders below £100



Standard Delivery

Orders will be despatched as follows: To business addresses only; £9.95 (Exc VAT) delivery charge (subject to change depending on account level); Free delivery with net order values of £100 and over (Exc VAT) to the UK Mainland; Orders to N. Ireland/Eire/Isle of Man/Scilly Isles by arrangement; other destinations phone for details; Typical delivery times of 1-2 working days.

Where possible, the Company will endeavour to meet special delivery requirements subject to any additional cost being borne by the Purchaser

Unfortunately, we do not delivery to addresses outside of mainland UK without prior agreement. Without prior agreement you may place an order for Products from outside the UK, but this order must be for delivery to an address in mainland UK unless arranged otherwise prior to your order.

Pallet Charges

Larger items may incur additional carriage charges, including but not limited to 4x4 and SUV tyres.


Read our full delivery policy here

Make Model Engine/Variant Year Notes
Honda CB 50 J 1978 N/A
Honda CB 50 J 1979 N/A
Honda CB 50 J 1980 N/A
Honda CB 50 J 1981 N/A
Honda CB 50 J 1982 N/A
Honda CB 50 J 1983 N/A
Honda MT 50 SP 1992 N/A
Honda MT 50 SR 1993 N/A
Honda C 50 ZZ 1979 N/A
Honda C 50 ZZ 1980 N/A
Honda C 50 ZZ 1981 N/A
Honda MT 50 SB 1980 N/A
Honda MT 50 SC 1981 N/A
Honda MT 50 SD 1982 N/A
Honda MT 50 SE 1983 N/A
Honda MT 50 SF 1984 N/A
Honda MT 50 SG 1985 N/A
Honda MT 50 SH 1986 N/A
Honda MT 50 SJ 1987 N/A
Honda MT 50 SK 1988 N/A
Honda MT 50 SL 1989 N/A
Honda MT 50 SM 1990 N/A
Honda MT 50 SN 1991 N/A
Honda SS 50 ZB2 - 5 speed 1978 N/A
Honda SS 50 ZB3 - 5 speed 1979 N/A
Honda SS 50 ZB4 - 5 speed 1980 N/A
Honda C 50 Cub 1975 N/A
Honda C 50 Cub 1976 N/A
Honda C 50 Cub 1977 N/A
Honda C 50 Cub 1978 N/A
Honda C 50 L 1982 N/A
Honda C 50 ZZ 1983 N/A
Honda C 50 ZZ 1986 N/A
Honda C 50 ZZ 1982 N/A
Honda C 50 L 1983 N/A
Honda C 50 L 1984 N/A
Honda C 50 L 1985 N/A
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