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 Size Guide from LS2 Helmets

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Arrow MX Competition Evo Exhaust Systems are new for 2020.

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D.I.D Chain



Sizing Guides

Quick Size Guides - More size guides are available on the main menu

Sizing Guides

Quick Size Guides - More size guides are available on the main menu



The D.I.D 520ERV3 is the chosen chain of MotoGP, Superbike, and road racing teams all over the world.

The grip collaboration between the R&D (Research & development) of the Daido Kogyo Co Ltd, the Yamaha Racing Team  and Valentino Rossi ,has carried the development of this product forwards and increased performances in the racing world. D.I.D puts into effect the production of the ER Exclusive Racing chains for the SBK and MotoGP, the D.I.D 520 ERV-3 has Clearly advanced performances: 5% in more breaking strength; 15% in more than fatigue strength; 3% lighter

When tenths of a second and ounces count, the ERV3 is built with dimpled pinheads to reduce weight and push your bike to the speed you need.

With incredible tensile strength, the 520ERV3 is made to take a beating and is also a great option for off-road racing.

Stock Availability Guide

🟢 Green Light

Good stock availability, usually set to 4 or more items and held in store for quick dispatch.

🟠 Amber Light

Low stock levels, usually 1-3 Items available to order. Items held in our stock or sent direct from our supplier.

🔴 Red Light

Stock levels set to 0 - Preorder available. Out of stock with ourselves and the UK distributor but can be ordered in on their next delivery.

🔴 Red Light

Stock level set to 0 with no preorder available means the product is currently not available to us from our suppliers.