TruVativ PowerSpline Bottom Bracket - English (BSA) 68 x 118mm MPFN-Y1LS28000 R1/The One/RX/Mega/RO fitting kit includes

R1/The One/RX/Mega/RO fitting kit includes (1) replaceable inline fitting

20 notch compatibility Shimano and other similar 20-notch

} DU plus cartridge bearing axle system

Enduro TorqTite Wrench

TruVativ PowerSpline Bottom Bracket - English (BSA) 68 x 118mm MPFN-Y1LS28000 R1/The One/RX/Mega/RO fitting kit includesTruVativ PowerSpline Bottom Bracket English (BSA) 68 x 118mm. The 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 TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Truvativ