Compatible with 22/24mm stepped spindle diameter cranksets, like SRAM / Truvativ GXP and Quarq DZero, except Eagle MTB
Not compatible with the following Quarq, SRAM/GXP cranksets: (Elsa, Riken, SRAM Red 22, SRAM S975, SRAM S2275, CinQo Saturn, Saturn2), when used in BB shells of 86.6mm or wider
Quarq spiders with an ID less than 49.5mm, may rub on the BB cup