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The SM-BB52 is a popular Shimano bottom bracket, which is used in countless cranks such as Alivio, Deore and ZEE. Its 24 mm Hollowtech II standard bearings deliver an optimal stiffness-to-weight ratio and rotational efficiency. The SM-BB52 BSA bottom bracket is available in a version for 68 and 73 mm shell width and in a version for 83 mm shell width.
Specifications:
- Application:
- All Mountain, City & Touring, Enduro, Downhill
- Type:
- BSA
- Shell Width:
- 68 mm / 73 mm, 83 mm
- Axle Diameter:
- 24 mm (Hollowtech II)
Technical Information:
- Bearings:
- steel
- Bottom Bracket Cup Material:
- aluminium
- Bottom Bracket Centre Tube Material:
- synthetic resin
