Surly OD Bottom Bracket for PF121/132 frames and 24mm cranksets such as the Surly OD cranks. This bottom bracket is the stock bottom bracket found on the Surly Wednesday, IceCream Truck and Salsa Blackborow. Chances are your fatbike is going to see some nasty weather and to help combat that Surly uses premium Enduro sealed bearings with dual lip seals.
The Surly PF121/132 bottom bracket includes additional 1mm spacers to help you adjust your chainline. For complete installation instructions, check out the following link.
Surly OD bottom brackets use Enduro dual sealed bearings
For 41mm OD press fit frames
Includes 3 (1mm) spacers for chainline adjustment
For 24mm spindle cranks
If your Surly bottom bracket isn't as smooth or quiet as it once was maybe it''s time to change it out for a new one.
Bottom Bracket Shell Width
Bottom Bracket/Frame Interface
Spindle Interface Type
Hollowtech II, Mega Exo, Race Face X-Type
Spindle Length (mm)
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