Surly OD Enduro Bottom Bracket Regular 73mm 

Surly OD Bottom Brackets

• Compatible with 24mm spindles
• Spindle Interface Type: Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI , Surly OD
• BB Shell Width (mm): 73
• Bottom Bracket Shell I.D.: 1.37
• BB/Frame Interface: English
• Defined Color: Black

Surly OD Enduro Bottom Bracket Regular 100mm 

Surly OD Bottom Brackets

• Compatible with 24mm spindles
• Spindle Interface Type: Surly OD , Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI
• BB Shell Width (mm): 100
• Bottom Bracket Shell I.D.: 1.37
• BB/Frame Interface: English
• Defined Color: Black

Surly OD Enduro Bottom Bracket Moonlander 100mm 

Surly OD Bottom Brackets

• Compatible with 24mm spindles
• Spindle Interface Type: Surly OD , Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI
• BB Shell Width (mm): 100
• Bottom Bracket Shell I.D.: 1.37
• BB/Frame Interface: English
• Defined Color: Black

Surly OD Enduro Press Fit Bottom Bracket 121-132mm 

Surly OD Bottom Brackets

• PF cups are 41mm in diameter
• Bearing I.D. is 24mm
• OD bottom bracket comes with telescoping center sleeve for added durability
• High quality double labyrinth sealed stainless Enduro bearings with corrosion resistant coating
• 3 additional 1mm spacers are provided to help with chain line and crank arm clearance
• Spindle Interface Type: Surly OD , Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light , RaceFace EXI
• BB Shell Width (mm): 121 , 132
• Bottom Bracket Shell I.D.: 41
• BB/Frame Interface: BB121 , BB132
• Defined Color: Black