Shimano Deore XT BB-MT801 English Bottom Bracket - English (BSA), 68/73mm, Fits Hollowtech II Spindle, Black Anti-Seize & Assembly Compound thanks to a brilliant new

thanks to a brilliant new tool

Vertical side knobs give stability when cornering

a 160mm post mount native size will only work with a 180mm rotor

Manufacturer Part Number: IEWEX010

Trek: 4 Series - 2010-2014 / 4300 Disc - 2012 / 4500 Disc - 2012 / 6000 - 2012 / 6000 WSD - 2012 / 7

Shimano Deore XT BB-MT801 English Bottom Bracket - English (BSA), 68/73mm, Fits Hollowtech II Spindle, Black Anti-Seize & Assembly Compound thanks to a brilliant newShimano XT BB MT800 Hollowtech II Bottom Brackets optimized for use with MTBs. Designed for use with Shimano 24mm MTB cranks Uses high quality sealed bearings Product Specifics Today's Stock Status 10+ Available to ship in 2 4 Business Days UPC: 192790605913 EAN: Not available Manufacturer Part Number: Does Not Apply CR0319 181585 Q0 L