Product details
High-quality Hollowtech 2 bottom bracket for frames with BSA thread. This bottom bracket is not only compatible with Shimano cranks, but also with other cranks that use a standardised 24 mm axle. It is also suitable for fat bikes and other bikes with a wider bottom bracket, but in this case a plastic spacer from the old bottom bracket must be used.
Box width | 68 mm, 73 mm |
Frame compatibility | BSA |
Axis compatibility | Hollowtech II |
Axis diameter | 24 mm |
Item number | 31977331 |
Manufacturer | Shimano |
Category | Bottom brackets |
Manufacturer no. | IBBMT801B |
Release date | 26.10.2022 |
Sales rank in Category Bottom brackets | 9 of 1404 |
Colour | Black |
Exact colour description | Black |
Bottom bracket design | Bolted bearing shells |
Frame compatibility | BSA |
Axis compatibility | Hollowtech II |
Box width | 68 mm, 73 mm |
Axis diameter | 24 mm |
Country of origin | Cambodia |
CO₂-Emission | |
Climate contribution |
Weight | 82 g |
Length | 13.70 cm |
Width | 6.10 cm |
Height | 5.30 cm |
Weight | 130 g |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Bottom brackets» category have a defect within the first 24 months?
Source: Digitec Galaxus- 1.Sram0.2 %
- 2.Shimano0.3 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- ShimanoNot enough data
- SramNot enough data
Unfortunately, we don't have enough data for this category yet.
Return rate
How often is a product of this brand in the «Bottom brackets» category returned?
Source: Digitec Galaxus- 1.Sram3.4 %
- 2.Shimano3.7 %