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Super smooth CeramicSpeed grade 3 Silicon Nitride balls are matched (within microns) with hardened steel raceways that feature an ultra-smooth polished groove
- Designed for 1" threadless carbon steerer tube Columbus forks with 20mm ID or larger
UPC: 821973370972
127285-Q0-L
124785-Q0-L
Classified Powershift Cassette - 11 Speed, 11-30t Stem Parts + Accessories Super smooth CeramicSpeed grade 3Classified cassettes are machined from one piece steel, with a high durability coating to reduce wear. They're extremely light and designed to fit the unique driver interface of the Powershift hub. Machined from High grade, one piece chromoly steel for increased durability and reduced weight Ultimate Gear Coverage: 24 gears, small steps, up to 530% of gearing range Designed specifically for the Powershift hub Cassette lock ring included Product
