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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
4-Way stretch
4" compound dual bead folding type tubeless color black weight 840g
plus removable forehead sweatband
25 Labeled Size 27
Inflate tires accurately in seconds
CeramicSpeed T47a Threaded BB Alpha Gravel Shimano Black Weight-1004 4-Way stretchSave watts and ride faster with guaranteed lowest friction, optimized power transfer, and longest product lifetime Covered by a lifetime warranty Developed to improve upon the original CeramicSpeed BB, with every design element isolated, analyzed, and refinedeach part carefully evaluated for opportunities to increase performance 10% lighter DUB specific cups for right setup with less spacers Stainless steel races for longer durability Refined light
