It is offered in 40T and 42T chainring options and 170

CS-M8200 XT cassette is compatible with the MICRO SPLINE freehub body standard

longer pins

3C: Triple Compound with harder base-layer and two progressively softer top layers for optimal traction and durability

Approximate Dimensions: 5 1/2" Length / 2" Width / 4" Height

SILCA Mattone Seat Bag - Standard - .41L - Black compatio_raw It is offered in 40TSilca Mattone seat packs use the power of BOA to keep all your spares in a compact, rattle free pack. A high friction Hypalon strap with BOA Closure completes the package. Making more than 15x the power of Velcro, the BOA Closure uses a ratcheting mechanism that will not creep or loosen even under the most extreme vibration and impact. This ensures the Mattone will remain 'high and tight' under your saddle until you need to access it. no swinging,