Raleigh Tru-build rear disc wheel. The Tru-Build wheels are leaders in the cycle industry. Every wheel is built to the same exacting standards as our Pro-build range, by hand, here in Nottingham. Since 2008 we have built on our exclusive relationship with Mach 1 rims, who continue to manufacture the highest quality rims and are leading the way graphically. Suitable replacement for most 70cm wheeled bikes. Made of alloy. Available in black colour. Measures 70cm diameter by 4.4cm width.