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Regina 520 Trials Chain £25.50£26.50 inc. VAT, where applicable

RENTHAL 420 Chain conversion for GASGAS 125/250cc

£81.37 inc. VAT, where applicable

RENTHAL 420 Chain and sprockets conversions in stock now.

With close collaboration with our major Sponsor ‘RENTHAL’ we can now offer a fantastic weight saving idea for your GASGAS Trials bike for 125cc and 250 clubman use.

With the superb quality of the RENTHAL R1 Chain, we have found that their 420 sized chain is more than strong enough to cope with bikes up to 250cc under normal clubman use. The superb quality R1 420 Chain is actually stronger than most normal quality 520 chains on the market!

The biggest advantage of using the 420 Chain and sprockets conversion is the over 500 grams (0.5KG) of weight saving.

This kit works excellent on TXT125cc because the cyclic variation runs a lot better with the 420 chain and the 11T 420 front sprockets. The running of the chain and rear wheel at low speeds is alot better than the standard 520 9 x 48T set up.

We have found that using the new 420 chain on an equivlant 11T 420 sprocket runs ALOT better which helps the running / spinning of the rear wheel and so helps performance and helps prevent stalling. The rear wheel runs alot more freely and helps with the relatively low power with a 125cc.

This 420 chain and sprocket conversion has been thoroughly tested in various conditions on both 125cc and 250cc in various conditions.

FOR PRO125 — The preferred 520 sprockets are 9 x 48. The equivalent in the new 420 size would be 11 x 58.

FOR PRO250 — The preferred 520 sprockets are 10 x 42. The equivalent in the new 420 size would be 12 x 50

Also the physical size of the new 420 sized sprockets are significantly smaller to help clear rocks etc.

 

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SKU: RENTHAL 420 Conversion kit Categories: , Brands: ,

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