Truvativ POWERSPLINE English 68mm Bottom Bracket sale The Contact is engineered to

The Contact is engineered to offer maximum stiffness at the lowest possible weight

and an all new tread pattern inspired by the original with a smooth center tread and knurled side blocks

Replaceable Enduro bearings

Steel cogs for strength and durability

10-speed compatible Tiagra front derailleur delivers pro features to sport-level road riders

Truvativ POWERSPLINE English 68mm Bottom Bracket sale The Contact is engineered toA tough bottom bracket that will go as hard as you. The PowerSpline has a heat treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders. The PowerSpline has a heat treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders.