Ready For Anything The F4X is ready for any terrain, any weather conditions and is fully capable of the most aggressive riding styles. Made from UHC Advanced + TeXtreme carbon fibre that is exceptionally stiff, strong and is super-lightweight. To ensure stiffness when riding on demanding terrain and to provide superb stability this bike has an oversized BB386EVO bottom bracket shell and the wheels are held in place thanks to Syntace style thru-axles. This bike has excellent handling responsiveness and thanks to the modern geometry, its ready to race. Off-Road Cycling Precision Equipped with a SRAM 1×11-Speed drivetrain and mountain bike inspired SRAM Rival hydraulic disc brakes. This combination means that you will not only be able to accelerate quickly and achieve high speeds offroad, you will also be able to brake competitively and confidently meaning obstacles and off-camber corners can be tackled with more precision. This bike rolls on Felt wheels, which have been tried and tested on Cyclocross events and are more than capable of handling the most demanding tracks and terrain, all season long and beyond. Built, Tuned and Tested Rest assured that each bike is fully built, tested and tuned by Wiggle’s team of qualified bike mechanics to ensure your bike arrives in perfect condition. Find out which size fits you by clicking the size chart tab.