Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight.
Heat-treated high-grade tool steel provide superlative durability and a beautiful finish.
StealthRing™ elastomers and advanced tooth profiles eliminate vibration and noise for a smooth silent ride.
Aluminum cog: lighter stiffer stronger due to the design material and production process.
Gear ratios:
11-25: 11 12 13 14 15 16 17 19 21 23 25
11-26: 11 12 13 14 15 16 17 19 21 23 26
11-28: 11 12 13 14 15 16 17 19 22 25 28
WiFLi 11-32 cassette option:
11-32: 11 12 13 14 15 17 19 22 25 28 32
Weight 151g (11-25t)
Material: High Grade Tool Steel Cog Cluster Heat Treatment Process Heat Treated Aluminum lowest Range Cog Elastomer Rings.