Wheels Manufacturing 386 Evo adaptor Use the Wheels Manufacturing 386 Evo adaptor to 386 EVO standard frames for use with Shimano Hollowtech II, or SRAM GXP cranksets. Simply tap the adapters into the 6806 bearing in the BB shell or cups, then install the cranks using the included spacers to adjust chainline, or to take up any side-to-side movement in the crank. Features Includes 2 - 24mm ID adapters Includes 8 - . 7mm spacers Machined engineering-grade Delrin 48g / pair | Wheels Manufacturing | 386 Evo Adaptor Shimano Hollowtech Ii Cranks