Full Speed Ahead BB-1000 MegaExo 19 Cartridge Sealed Bottom Bracket English CheckoutSpec= 25-35mm No Wolf Tooth bolts available

No Wolf Tooth bolts available for Plus size bike applications with the Surly OD crankset (see compatibility notes above)

both coil or air options

NOTE: This boot is an extremely low-volume fit

Shimano XT SL-M8100-IR / Rapidfire Plus / I-Spec EV Clamp

Full Speed Ahead BB-1000 MegaExo 19 Cartridge Sealed Bottom Bracket English CheckoutSpec= 25-35mm No Wolf Tooth bolts availableFull Speed Ahead BB 1000 MegaExo 19 Cartridge Sealed Bottom Bracket English. FSA (Full Speed Ahead) MegaExo 19 bottom brackets are for use with 19mm diameter spindles. TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 130 Spindle Interface Type FSA MegaExo 19 Defined Color Black