Air Tune System: Minimises contact surfaces to maximise back ventilation

and 350 series hubs as well as 1501 and 1700 Spline

Simple to fit

Reflective

Chainline: 52mm chainline for compatibility with Boost and non-Boost frames

absoluteBLACK Direct Mount Narrow Wide PVD Chainring - Shimano Direct Mount - Not Applicable - Oval - PVD Rainbow - 12 Speed Shimano - 28T PDP|PLP|Brake Rotor Type Air Tune System: Minimises contactThe 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