The Original one and only absoluteBLACK premium SRAM compatible Direct mount BOOST148 1X Oval narrow wide chainrings are designed for GXP, DUB and Long BB30 spindle cranks. Chainring is dedicated for Boost148 bikes ONLY. Converts a regular SRAM crank into a Boost specific setup. (3mm offset). They are also 100-percent optimised for Eagle. This oval chainring with special 3mm offset converts any SRAM crank into Boost148 specific setup needed in Boost equipped bikes. Boost and non-Boost SRAM cranks are identical.
Chainline: 52mm BOOST148 specific chainline.
Offset: 3mm offset
Ovality: Optimised to each size separately.
Range: 10.2-14.4% and Timing of 110.5-116.3° after TDC (top dead centre) Patent Pending
Size: (Mass +/-1g): 28T (50g), 30T (55g), 32T (59g), 34T(66g), 36T (74g)
Advantages of our special Oval chainrings: