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- Rear Sprockets
- Steel Sprockets
- RK Sprocket Rear RK-B4034-45 JTR857 Afam 12505
- £22.99 £19.16 (Exc. VAT) (Exc. VAT) (Inc. VAT) (Inc. VAT)
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Made from C45 High Carbon steel. The sprocket teeth are heat treated (induction hardening), increasing the wear resistance and surface hardness.
Manufacturer Part No. (MPN): B4034-45NC0
Barcode: 9555387607980
| Alt. Centre: | 857 |
| Colour: | Self |
| Centre: | JTR857 |
| Material: | Steel |
| Position: | Rear |
| Teeth: | 45 |
Fitment Summary
Compatible with 116 models (yearly).
- Keeway: Cruiser 250, Cruiser 250 i.e., Versilla 125
- MZ: Baghira 660 Forest, Mastiff 660
- Yamaha: SRV 250 Soulful Twin, SRV 250 Soulful Twin Renaissa, XT 400 4 valve, XT 600 2KF 3TB, XT 600E, XT 600Z, XTZ 660 Tenere, XV 250A, XV 250B, XV 250D, XV 250E, XV 250F, XV 250G, XV 250H, XV 250J, XV 250K, XV 250L, XV 250M1, XV 250N1, XV 250P1, XV 250R1, XV 250S, XV 250T, XV 250V, XV 250W, XV 250X, XV 250Y, XV 250Z
Yes, all our RK chains come with a warranty. To ensure the warranty is not voided you must ensure the chain is professionally fitted and new sprockets installed at the same time
RK CHAIN
- Standard X-Ring Chain - 3 Year or 15,000 mile warranty
- Premium X-Ring Chain (Xtreme Upgrade) - 5 Year or 25,000 mile warranty
More Information and Warranty Form Registration: https://www.bickersltd.co.uk/rk-warranty
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
Watch the RK instruction video on how to best maintain your chain: www.youtube.com/watch?v=PIPnLeiTXyk
Safety Data Sheets (SDS) can be downloaded from the 'Downloads' tab on a product page. When not available, please contact us or refer to the manufacturers website linked to at the bottom of each brand page.
Delivery
Regular Delivery Costs & Times
Trade
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.
All third party deliveries will carry a charge, the minimum charge will be £9.95 (Exc. VAT).
Pallet Charges
Larger items may incur additional carriage charges, including but not limited to 4x4 and SUV tyres.
An overview of charges per pallet for each region is available to view here: https://www.google.com/maps/d/viewer?mid=11ydN7ZJNHKHf9Ygd0ih_L6-U1dMq31A
Consumer
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).
Any returns will be handled by the collection point.
- Free for orders over £100
- £11.95 fee for orders below £100
Read our full delivery policy here
Returns
Trade
Please complete the Trade Returns form or contact our Sales Office
Consumer (Click & Collect)
Your click and collect location will handle any returns for you. Please contact the original collect point/dealer to discuss returns and ensure the item is returned to that location..
Alternatively, please use the Returns form.
If you experience issues when attempting to contact the collection point/dealer, please contact us.
| Make | Model | Engine/Variant | Year | Notes |
| Keeway | Versilla | 125 | 2022 | Chain Pitch: 520 |
| Keeway | Versilla | 125 | 2023 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2009 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2010 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2011 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2012 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2013 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2014 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2015 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 | 2016 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2009 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2010 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2011 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2012 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2013 | Chain Pitch: 520 |
| Keeway | Cruiser | 250 i.e. | 2014 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin - 4DN1 Japan | 1992 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin Renaissa - 4DN2 Japan | 1993 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin Renaissa - 4DN3 Japan | 1994 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin Renaissa - 4DN4 Japan | 1995 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin Renaissa - 4DN5 Japan | 1996 | Chain Pitch: 520 |
| Yamaha | SRV | 250 Soulful Twin Renaissa - 4DN6 Japan | 1997 | Chain Pitch: 520 |
| Yamaha | XV | 250 A - V Star 2UJ/3BG/46B | 2011 | Chain Pitch: 520 |
| Yamaha | XV | 250 B - V Star 2UJ/3BG/46B | 2012 | Chain Pitch: 520 |
| Yamaha | XV | 250 D - V Star 2UJ/3BG/46B | 2013 | Chain Pitch: 520 |
| Yamaha | XV | 250 E - V Star 2UJ/3BG/46B | 2014 | Chain Pitch: 520 |
| Yamaha | XV | 250 F - V Star 2UJ/3BG/46B | 2015 | Chain Pitch: 520 |
| Yamaha | XV | 250 G - V Star 2UJ/3BG/46B | 2016 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - 3LS/3LW | 1989 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - 3LS/3LW | 1990 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - KF/BG/UJ | 1991 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - KF/BG/UJ | 1992 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - KF/BG/UJ | 1993 | Chain Pitch: 520 |
| Yamaha | XV | 250 H - V Star 2UJ/3BG/46B | 2017 | Chain Pitch: 520 |
| Yamaha | XV | 250 J - V Star 2UJ/3BG/46B | 2018 | Chain Pitch: 520 |
| Yamaha | XV | 250 K - V Star 2UJ/3BG/46B | 2019 | Chain Pitch: 520 |
| Yamaha | XV | 250 L - V Star 2UJ/3BG/46B | 2020 | Chain Pitch: 520 |
| Yamaha | XV | 250 M1 - V Star BJP | 2021 | Chain Pitch: 520 |
| Yamaha | XV | 250 N1 - V Star BJP | 2022 | Chain Pitch: 520 |
| Yamaha | XV | 250 P1 - V Star BJP | 2023 | Chain Pitch: 520 |
| Yamaha | XV | 250 R1 - V Star BJP | 2024 | Chain Pitch: 520 |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1994 | Chain Pitch: 520 |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1995 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1996 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1997 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1998 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 1999 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2000 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2001 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2002 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2003 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2004 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2008 | |
| Yamaha | XV | 250 S - Virago 3LS/3L4 | 2009 | Chain Pitch: 520 |
| Yamaha | XV | 250 T - Virago 3LS/3L4 | 2005 | |
| Yamaha | XV | 250 V - Virago 3LS/3L4 | 2006 | |
| Yamaha | XV | 250 W - Virago 3LS/3L4 | 2007 | |
| Yamaha | XV | 250 X - V Star 2UJ/3BG/46B | 2008 | Chain Pitch: 520 |
| Yamaha | XV | 250 Y - V Star 2UJ/3BG/46B | 2009 | Chain Pitch: 520 |
| Yamaha | XV | 250 Z - V Star 2UJ/3BG/46B | 2010 | Chain Pitch: 520 |
| Yamaha | XT | 400 4 valve - 5F0 | 1981 | Matched Alternative |
| Yamaha | XT | 400 4 valve - 5Y6 | 1982 | Chain Pitch: 520 |
| Yamaha | XT | 400 4 valve - 5Y6 | 1983 | |
| Yamaha | XT | 400 4 valve - 5Y6 | 1984 | |
| Yamaha | XT | 600 2KF 3TB | 1991 | Matched Alternative |
| Yamaha | XT | 600 2KF 3TB | 1992 | Matched Alternative |
| Yamaha | XT | 600 2KF 3TB | 1993 | Matched Alternative |
| Yamaha | XT | 600 2KF 3TB | 1994 | Matched Alternative |
| Yamaha | XT | 600 E - 3TB | 1990 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1991 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1992 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1993 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1994 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1995 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1996 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1997 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1998 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 1999 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 2000 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 2001 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 3TB | 2002 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1993 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1994 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1995 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1996 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1997 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1998 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 1999 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 2000 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 2001 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 2002 | Chain Pitch: 520 |
| Yamaha | XT | 600 E - 4PT 4SL | 2003 | Chain Pitch: 520 |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1988 | Chain Pitch: 520 |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1989 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1990 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1991 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1992 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1993 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1994 | |
| Yamaha | XT | 600 Z - Tenere 3AJ6 | 1995 | |
| MZ | Baghira | 660 Forest | 1997 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 1998 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 1999 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2000 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2001 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2002 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2003 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2004 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2005 | Chain Pitch: 520 |
| MZ | Baghira | 660 Forest | 2006 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 1997 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 1998 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 1999 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2000 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2001 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2002 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2003 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2004 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2005 | Chain Pitch: 520 |
| MZ | Mastiff | 660 | 2006 | Chain Pitch: 520 |
| Yamaha | XTZ | 660 Tenere - 3YF | 1990 | |
| Yamaha | XTZ | 660 Tenere - 3YF | 1991 | |
| Yamaha | XTZ | 660 Tenere - 3YF | 1992 | |
| Yamaha | XTZ | 660 Tenere - 3YF | 1993 | |
| Yamaha | XTZ | 660 Tenere - 3YF | 1994 | |
| Yamaha | XTZ | 660 Tenere - 3YF | 1995 |