Zipp Service Course SL Stem - 100mm 31.8 Clamp +/-6 1 1/8" Aluminum Matte BLK B2 ModelNumber=MPDW15 These chainrings are designed for

These chainrings are designed for the Shimano FC-RS500 crankset

RaceFace hub axles

Gates Carbon Drive CDC Rear Sprockets for 3-Lobe SureFit are crafted from coated steel making them durable enough for global trekking competitive racing or rugged off-roading

Tooth Count 20 Defined Color Blue

Zipp Service Course SL Stem - 100mm 31.8 Clamp +/-6 1 1/8" Aluminum Matte BLK B2 ModelNumber=MPDW15 These chainrings are designed forZipp Service Course SL Stem 100mm 31. 8 Clamp + 6 1 1 8" Aluminum Matte Black B2. The Zipp Service Course SL Stem crafted from 7075 aluminum features a shape thats strong and lightweight resulting in a 1. 85 grams per newton meter of stiffness. That results in no flex sprints and accelerations. Forged AL 7075 Machined and relieved faceplate Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment