PowerSpline Bottom Bracket Options:TruVativ PowerSpline Bottom Bracket - English (BSA), 68 x 113mm you’re able to ride almost

you’re able to ride almost any tire and pressure

And its drops measure a lengthy 180mm - great for comfort and leverage in any situation

includes SRAM XX1 11-speed freehub and 148 end caps

the Sirrus X excels on pavement

Which means all your power goes right to the pedals

PowerSpline Bottom Bracket Options:TruVativ PowerSpline Bottom Bracket - English (BSA), 68 x 113mm you’re able to ride almostThe SRAM PowerSpline bottom bracket features a proprietary spline design used with many OE spec moderately priced TruVativ cranks. Crank bolts are included Heat treated chromoly 12 spline spindle to make sure it can go the distance with even the most demanding riders