Adaptive Chair Wheels 100mm XL Standard 100mm ball bearing wheels 100mm SL Extra smooth 100mm wheels with extra ball bearing 100mm BXL Extra Wide 100mm ball bearing wheels 150mm XL 150mm ball bearing wheels. Requires leg extenders for brakes. Other Options 125mm XL 125mm ball bearing wheels. Requires leg extenders for brakes. 100mm Double XL Double wheeled version of the 100ml XL 100mm Double SL Double wheeled version of the 100ml SL 100mm Double BXL Double wheeled version of the 100ml BXL More Options Available There are countless of ways to build out and customize your chair. Give us a call or send us an email below. Contact Us Other Accessories Brake Controls Footrests Controls