Enduro bearings with double labyrinth seals: Protects against dust, mud, and grime for consistent performance
Compatible with 24mm spindle cranksets: Offers broad compatibility for Surly O.D. and other cranksets
Multiple spindle interface types: Supports Shimano Hollowtech II, FSA MegaExo, FSA MegaExo Light, and Raceface Exi for versatile installation
Durable aluminum and metal construction: Ensures long-lasting reliability in demanding conditions
Summarized by Shop
Designed for durability in harsh riding conditions, the Surly OD Enduro Bottom Bracket features Enduro bearings with double labyrinth seals that actively shed dust, muck, and grime—even in wet and muddy climates. Compatible with a wide range of 24mm spindle cranksets, including Surly OD.
Bottom bracket shell inner diameter
1.37 in
BB shell width
100 mm (Regular), 73 mm (Compact)
Frame interface
English
Material
Aluminum, Metal
Color
Black
Spindle interface types
Shimano Hollowtech II, FSA MegaExo, FSA MegaExo Light, Raceface Exi