Smith Forefront 2 MIPS Helmet - L - Matte Black eBay Other compatibility: The e11 chain

Other compatibility: The e11 chain is compatible with any and all 11 speed cassettes and derailleurs

Cons: XTR comes at a price

Top Head Tube Inside Dia

making the Turbine 35 ideal for high level cross country racers but is strong to handle all day epic trail rides

Smith Forefront 2 MIPS Helmet - L - Matte Black eBay Other compatibility: The e11 chainAn evolution of Smith's award winning Forefront helmet, the completely redesigned Forefront 2 is a full coverage helmet ideal for all mountain riders who demand superior protection, ventilation and eyewear integration. The next generation of Smith's award winning Forefront has your back (and front, and sides) thanks to MIPS and complete Koroyd impact protection. The AirEvac ventilation system integrates with Smith goggles and eyewear for fog free