SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched dependable shifting with the SRAM

dependable shifting with the SRAM GX X-ACTUATION trigger shifters

A high-performance 28h hub and straight-pull spoke system but in a more conventional

All-City Cosmic Stallion

SUPER SLR design makes use of a friction-reducing mechanism lever and cable that improves response and modulation

SHIMANO BB-UN300-E E-Type Bottom Bracket - 68 x 122.5mm - BSA - Square Taper Compatio_Enriched dependable shifting with the SRAMSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum