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The Colony 19mm Bottom Bracket is designed for durability and toughness
The eco-friendly formula is compatible with most bike tire systems
Its trouble-free
RD-M615-GS
Designed as a clincher
Shimano FC-R8100 Ultegra Chainring 34T-NK for 50-34T RGroup_2D613807BD3D3E1382F3F9AAFF636B5418D94887 The Colony 19mm Bottom BracketThe Shimano FC R8100 Ultegra Chainring 34T NK is designed for Shimano Ultegra FC 8100 and FC 8100 P cranksets. Featuring a 34 tooth configuration, it improves gearing efficiency for varied terrains. Made from durable aluminum, it offers longevity and reliability. Its 110 BCD design ensures compatibility with 52 34T setups, making it an excellent upgrade for 12 speed drivetrain systems. SKU: Y0NG34000.
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