- Suitable for Shimano MTB cranks with integrated axle Ø24 mm - For pressfit frames with BB92 standard (89.5/92 x 41 mm) - Including spacer ring Specifications: - Type: Bottom bracket - Bottom bracket width: 89.5 - 92 mm - Weight: 100 grams

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

- Simple and reliable square taper bottom bracket - Replaces both BB-UN26 and BB-UN55 - Sealed cartridge bearings - Cr-Mo axle - For bicycles equipped with a chain case, select BB-UN300-K - For E-type front derailleur compatibility, choose BB-UN300-E - Fixing bolts not included; Shimano FC-E6000 bolts suggested

Hollowtech ll English threaded Bottom Bracket Aluminum adapter cups with cartridge bearings & inner cover Optimum power transfer

Shimano Dura-Ace BB92, BB9000 Hollowtech II Bottom Brackets