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Full Complement Design: Eliminates the retainer to fit more balls
5mm hydraulic brake hose
which replaces a portion of the air volume in the tire
time trials
Fibra-Tek microfiber cover
Shimano BB-UN300 Square Taper Bottom Bracket w/fixing bolt Size2:68mm Full Complement Design: Eliminates theThe Shimano BB UN300 is a simple and reliable square taper bottom bracket designed to replace both the BB UN26 and BB UN55 models. It features sealed cartridge bearings and a durable Cr Mo axle for consistent performance. Versatile Configurations: Available in specific versions to suit various builds, including the BB UN300 K for chain cases and the BB UN300 E for E type front derailleur compatibility.
US$ 280.00
US$ 170.00
US$ 305.00
US$ 89.99
