SRAM CS XG1299 Eagle Cassette 12 Speed - Rainbow Factor a combination of complex and

a combination of complex and simple carbohydrates with fast-absorbing whey and slow-absorbing casein provides time-released nutrition

Ultra-light aluminum for optimal stiffness at a reduced weight

tapered headtube

Now up to 45-hours battery life

with runtime over 35 hours in low flashing mode1000m visible distance and IPX7 waterproof rating for reliable performance even in rainy conditionsConstructed from ABS plastic and silica for anti-scratch and shockproof durability

SRAM CS XG1299 Eagle Cassette 12 Speed - Rainbow Factor a combination of complex andWhether for the build of their dreams or getting the bike ready for the next race season, the XG 1299 cassette gives riders a 520 percent range and a unique finish. Stronger racers are now free to choose larger chainrings for more top end speed, without sacrificing climbing range. More time is spent higher up in the cassette where athletes power transfer is most efficient, and wear is minimized. Featuring X Dome architecture and proven XD driver body,