Absoluteblack Oval Sram Boost 148 32/34t
The Original one and only absoluteBLACK Premium Sram compatible Direct mount BOOST 1X Oval narrow wide chainrings are designed for GXP, DUB and Long BB30 spindle cranks. This chainring is dedicated for Boost bikes (3mm offset). They are 100-percent optimized for Eagle. It is the most Premium oval chainring on the market with scientifically proven performance gains.