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Shimano UN55 Square Taper Bottom Bracket
Shimano UN55 Square Taper Bottom Bracket
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Limited Time Only
Product ID: 47745
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View full detailsDescription
Shimano UN55 Square Taper Bottom Bracket
- 25% more durable than UN54 with alloy left hand cup
- Traditional square JIS 2-degree taper crank-arm interface
- Offered in either English (BC1.37 x 24tpi - RH/LH) or Italian (M36 x 24tpi - RH/RH) threads
Features
- A good quality bottom bracket for traditional chainsets
- Super-accurate bearings for smooth operation and improved durability
- 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