The 30t x 104BCD chainring is the only available ring for the QUARQTM power meter

For use with Microspline freehubs only

Note that only about 3 threads will engage (same with the stock SRAM rings)

plastic and paint

Smith Forefront 2 MIPS Helmet - M - Matte Black Dropship The 30t x 104BCD chainringAn 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