absoluteBLACK Direct Mount Narrow Wide PVD Chainring - SRAM Direct Mount - 3mm Boost - Oval - PVD Rainbow - 9-12 Speed - 30T Needs Images There is also a valve

There is also a valve core remover that is integrated into a spare alloy cap

Cons: Has to be mounted to a seat post

175mm - 494mm (max insert: 298

Designed to wear under your favourite mountain bike shorts

Aluminium dissipates heat quickly which works perfectly for braking

absoluteBLACK Direct Mount Narrow Wide PVD Chainring - SRAM Direct Mount - 3mm Boost - Oval - PVD Rainbow - 9-12 Speed - 30T Needs Images There is also a valveThe Original one and only Premium absoluteBLACK Sram compatible Direct mount BOOST 1X Oval narrow wide chainrings in PVD Rainbow (oil slick) colour. Designed for GXP, DUB and Long BB30 cranks. This special PVD Rainbow Titanium coating process makes the chainrings very durable and incredibly beautiful. It is the most Premium oval chainring on the market with scientifically proven performance gains. NOTE: Due to the nature of the PVD process, every