- Newer Design Type 2.1
- Large upper pulley offset automatically adjusts chain gap
- X-HORIZON design reduces shift force, ghost shifting and chain slap
- Alternating Wide-tooth-narrow-tooth pulley wheel maximizes chain control by fitting inner and outer chain links perfectly
- 12-tooth X-SYNC pulley wheels
- Aluminum Cage
- Sealed cartridge bearings
- Colors: Black
- Must be used with SRAM 1x11 shifter, chain and cassette for performace
- Published Weight: 256g
- Largest Cog Capability: 42t
- Chain Wrap: 32
The X1 group has all the important features of the high-priced spread with a modest increase in weight.