The original PF30 eccentric design by Beer Components and now machined by White Industries. The ONER eccentric bottom bracket is designed for converting PF30 frames to single speed. The ONER has 12mm of adjustment, allowing for multiple cogs sizes to be used with the same chain length. ONER only fits frames with PF30 shells (46mm Internal diameter). Please measure and confirm your frame BB standard before purchasing. We do not accept return for greased, attempted, installed or used units. BB Includes: Two cups Dust covers Appropriate length bolts Stubby 4mm hex wrench Compatible with any 30mm/DUB spindle crankset that can accommodate 20mm (10mm per side) outboard bottom brackets. Install Video Install Directions **GXP SPINDLES REQUIRE 24mm REDUCERS and GXP grower Shim** Crank spindle spacers available Confirmed CranksetsWhite Industries R30, G30, and M30.SRAM Force22, Force AXS, Force1, EAGLE, XX1ROTOR 3D+EASTON EC90 and EA90
