French based rim company, Mach 1, have been manufacturing high quality rims since 1994 and are constantly developing innovative and exciting new products. Exclusively featuring on their Tru Build and Tru Build Performance wheels, Mach 1 rims not only offer top quality workmanship, but also very good value for money, as part of a complete wheel build, or separately. The Miche Reflex Hubs feature a lightweight hot-forged alloy body, CNC finished. High precision grease filled sealed bearings provide long-lasting protection and smooth running. The rear hub can be adjusted simply and quickly, even with the wheel mounted on the bike.**Mach1 Omega Rim Spec*** Mach 1 Omega Rim - Alloy 6063 T6* The profiles rigidity favours efficiency and better dynamic performance* Recommended tyre widths: 18 to 25mm* Semi-profiled rim without eyelets* Dimensions: 700c (622 x 13c)**Miche Reflex Hub Specs*** Adjustment System: Friction Cone front/ Smoothness adjustment ring rear* Freewheel Body: AL 7075 T6* Front And Rear Body: AL 6061 T6* Axle Material: Steel* Bearings: Miche* Freehub: CA 9/10/11/12x, SH 11x or 9/10/11/12xWheel Weight: g (pr)**Quick release skewers are included with the wheels**