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Shimano BB-UN55 bottom bracket British thread 68 - 110 mm View larger

Shimano BB-UN55 bottom bracket British thread 68 - 110 mm



A good quality and value Shimano 68/110 bottom bracket for traditional chainsets (note picture shows 113)

Square taper JIS

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This Shimano square taper bottom bracket uses super-accurate bearings for smooth operation and improved durability

110mm for 68mm bottom bracket shell, durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting

Lightweight hollow spindle

Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life Fast and easy installation without adjustment

Narrow body allows clearance for cable routing under the bottom bracket

Shimano code: BB-UN55

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Data sheet

Bottom Bracket Shell Size68mm