What valves does it work on: Presta and Schrader valve

The Dert ISCG05 Chain Guide is a lightweight CNC alloy guide that delivers excellent chain security whilst remaining silent

For 6-38mm tube ( 1/4” – 1-1/2”)

they'll fit perfectly as a replacement for any stock stem on bikes with a 1 1/8" steerer tube or tapered steerer

Edge 1030 and 1000 require > 70mm stem length and negative rise to fit

Fox Mainframe MIPS Helmet - M - Trvrs Dark Maroon PDP|Colour What valves does it workThe Mainframe MIPS Helmet gives you exactly what you're looking for in an affordable helmet: proven safety features combined with easy trail style. Featuring extended coverage to protect more of your noggin', the proven MIPS impact protection will keep your brain safe in the event of a crash by absorbing and redirecting energies and forces that could otherwise damage it. With a lightweight fit system, the Mainframe MIPS Helmet will also keep you cool,