Compatible with Shimano Hollowtech II or other 16-notch 44mm external bearing bottom bracket cups Also compatible with 16 notch rotor disc lockrings (incl. E-Thru axle hubs) 1/2 inch drive compatible TECH SPECSdescriptionShimano BB Socket (Hollowtech II)co
description | Shimano BB Socket (Hollowtech II) |
compatibility | Shimano Hollowtech II or other 16-notch |
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