FEATURES
- Designed for smooth and fast shifting
- Gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range
- 10-tooth start helps provide a wider gearing range
- Designed to work with an XDR driver body
- One-piece machined steel X-DOME design for weight savings
- All Zipp wheels starting from 2012 are XDR ready
SPECIFICATIONS
SPEED (CS): 12s
GEARING: 10-28t, 10-33t
COG FINISH (CASSETTE): Rainbow
TECHNOLOGY (CASSETTE): XG
COG SIZES:
10-26t; 10,11,12,13,14,15,16,17,19,21,23,26
10-28t; 10,11,12,13,14,15,16,17,19,21,24,28,
10-33t; 10,11,12,13,14,15,17,19,21,24,28,33