Surly
O.D Crankset Bottom Bracket

73, 100mm, Moonlander & Ice Cream Truck (ICT) specific.

OD Specification for 73, 100mm & Moonlander Widths

• BB Shell Width (mm): 73 or 100 mm
• BB/Frame Interface: English
• Bearing I.D. is 24mm
• Spindle Interface Type: Surly OD , Shimano Hollowtech II

ICT OD Specification:

• BB Shell Width (mm): 121 mm , 132 mm
• BB/Frame Interface: PF41 , BB86
• Bottom Bracket Shell I.D.: 41
• Spindle Interface Type: Shimano Hollowtech II , Surly OD
• 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