In stock using cut-length chain - See description for details
RK 630GSV Silver Chain
3012730RK 3012730 3012730cz CHAIN RK 630GSV SILVER X 90 rk630gsvx90 rk630gsv90 630gsvx90 630gsx90 rk630x90 rk63090 630v90 630vx90 did630vx90 did630v90 RK630V90 630V90 RK630VX90 3012730 DID630Vx90 630V 630v90 630vx90 did Heavy Duty X Ring SKU3012730RK CHAIN RK 630GSV 90 SILVER CLASSIC BIKE X RING CHAIN RK 630GSV 90 SILVER CLASSIC BIKE X RING RK 630GSV Silver Chain 630 Yes GSV 10791 48000 H Duty X Ring Drive Chain 630 Chain 4935531483113 630x90 630 90 63090
  • £115.24 (Exc. VAT)
Temp out of stock | Usually dispatched within 24 hours
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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

There are many chain manufacturers in the motorcycle industry but most (including some Japanese manufacturers) only offer a single type of sealing ring, using a "one type fits all approach" which is used on all their drive chains.

This can be inefficient depending on the intended use. .

Different types of seals for different applications maximises efficiency and performance

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Barcode: 4935531483113
  • Grade:
    H Duty X Ring
  • 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: CB 750FZ, CB 750K1, CB 750K2, CB 750K3, CB 750K4, CB 750K5, CB 750K6, CB 750KZ

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 750 KZ 1979 OE Grade Chain
Honda CB 750 FZ 1980 OE Grade Chain
Honda CB 750 K1 1971 OE Grade Chain
Honda CB 750 K2 1972 OE Grade Chain
Honda CB 750 K3 1973 OE Grade Chain
Honda CB 750 K4 1974 OE Grade Chain
Honda CB 750 K5 1975 OE Grade Chain
Honda CB 750 K6 1976 OE Grade Chain
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