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Porto inspires confidence in the rider from day one
that thanks to MUDDER
Wheels - DT G-500
removeable key
COMFORT AND PERFORMANCE Maximum freedom of movement and comfort guaranteed
Shimano Dura Ace Track Chainring 51T Pedals & Cleats Porto inspires confidence in theDura Ace 7710 series track racing chainring from Shimano. This model bears the legendary 'Dura Ace' name, and for good reason. Quality is second to none, it is strong, light and is made of anodised aluminium which is durable and looks great. As a track chainring it is intended for use with a fixed gear and cannot be combined. This chainring hasa 144mm bolt circle size and for use with standard 1 2" x 1 8" chains. It can be used with 144 BCD crank sets