In stock using cut-length chain - See description for details
RK 420MXZ Gold Chain
CHAIN RK GB420MXZ GOLD X 106 3010646RK CHAIN RK GB420MXZ GOLDx 106 RKGB420MXZ GOLDx 106 RKGB420Mx Z GOLDx 106 GB420MXZGOLDx106 420x106 3010646 3010646CZ GB420MXZGOLDX106 RK420MX06 420MX06 RK420MXZX106 3010646 DID420NZ3x106 420NZ3 did420nz3106 did420nz3x106 420nz3 did420nz3 420nz3106 420nz3x106 420nz106 420nzx106 did420nz did MX Professional Race SKU3010646RK CHAIN RK GB420MXZ 106 GOLD PRO MX NON O RING CHAIN RK GB420MXZ 106 GOLD PRO MX NON O RING RK 420MXZ Gold Chain 420 No MXZ 4946 22000 MX Pro Race Drive Chain 420 Chain 4935531450078 420x106 420 106 420106
  • £26.84 (Exc. VAT)
Temp out of stock | Usually dispatched within 24 hours
  •   (More Info)
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

RK MXZ chain is one of the lightest motocross chains available on the market today

Made for the professional motocross racer


RK MXZ4 is the next generation of motocross racing chains featuring Chromoly steel construction and seamless rollers and bushings.

Barcode: 4935531450078
  • Grade:
    MX Pro Race
  • Sealed:
  • Tensile Strength (Lbs):
  • Tensile Strength (N):
  • Pitch:
  • Colour:
  • Length:
  • Type:

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

  • Honda: MSX 125D, MSX 125E, MSX 125F, MSX 125G, MSX 125H, MSX 125J, MSX 125K

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 MSX 125 D - Grom 2013 Upgraded Chain
Honda MSX 125 H - Grom 2017 Upgraded Chain
Honda MSX 125 J - Grom 2018 Upgraded Chain
Honda MSX 125 E - Grom 2014 Upgraded Chain
Honda MSX 125 F - Grom 2015 Upgraded Chain
Honda MSX 125 G - Grom 2016 Upgraded Chain
Honda MSX 125 K - Grom 2019 Upgraded Chain
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