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 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 165mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037070 ...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 165mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037087 ...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 170mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037094 ...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 170mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037100 ...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 175mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037117 ...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat-treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 48 spline press fit style interface BB Axle included 175mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037124 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 165mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037018 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 165mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037025 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 170mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037032 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 170mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037049 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 175mm 19mm BLK 34.5oz 1UPC/EAN/GTIN: 811120037056 ...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD...

 4130 trapezoid heat treated tubular chromoly crank arms Trapezoid shape helps reduce flex while still offering a grindable surface Wrap-welded pedal bosses RHD and LHD compatible sprocket bosses Available in 165,170 and 175mm lengths 8 spline pinch bolt style interface BB Axle included 175mm 19mm CP 34.5oz 1UPC/EAN/GTIN: 811120037063 ...