An elegant, lightweight and trouble-free solution for adapting 24/22mm SRAM (or similar) cranks to work on BB30 frames. Simply press the adapters into the 6806 bearing in the BB shell, install the spindle and cranks, and that"s it.Wheels Manufacturing was started in 1988 in Boulder, Colorado. What started in a small machine shop producing cog removal tools and chainring spacers quickly blossomed into a large scale manufacturing facility producing a full line of small parts totaling over 800 products.