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121677-Q0-L
sidewall durability and resistance to pinch flats
0 rims deliver WTB's easiest to mount and most reliable tubeless system
144099-Q0-L
Manufacturer Part Number: TB00055100
CeramicSpeed BSA Threaded BB, MTN, DUB Coated, Black Tapping & Threading Tools 121677-Q0-LSave watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime External BSA, English threaded bottom brackets featuring anodized aluminum cups Coated: metallic layer that covers bearing races making them 75% harder than steel. Even lower friction and highly resistant to corrosion Standard: low drag with hardened steel races and ceramic ball bearings Mountain versions for 73mm bottom bracket shells or
