The Evol is a solid, entry level machine with everything you need to start making serious progression with your riding. Boasting a Cr-Mo toptube and a sealed integrated headset and mid-sized bottom bracket, details like the big logo Radio Rookie tyres make the Evol something very special and unique.SpecificationsFrame - Radio 'Evol' frame, Cr-Mo top tube, 1020 hi-tenFork - Radio 'AM' fork, 1020 hi-ten, Cr-Mo steerer, tapered legsHandlebar - Radio 'AM' 20 bar, 1020 hi-tenGrips - Salt 'Ex' grips, flangeless, 155mmStem - Radio 'AM' topload stem, 50mm reachHeadset - Salt 'Pro' integ. headset, sealed ballGyro - Holes for removable tabsBrake lever - Radio 'AM' alloy brake leverBrake - Radio 'AM' alloy u-brake rearCrank - Radio 'Rookie' tubular 3pc crank Cr-Mo, 165mm, 8 splineBB - Mid size, press fit, sealed bearingPedals - Radio 'Pro' nylon fibreglass pedalsChain - Salt 'AM' chain, WZ1 typeSprocket - Radio 'Vision' steel 25T sprocketDriver - 9T cassette driver, loose ballFront hub - Radio 'Rookie' steel hub, lb, 3/8″s, 36HRear hub - Radio 'AM' cassette hub, alloy, semi-sealed, 9T, 14mm axle, 36HFront rim - Radio 'Rookie' rim, single wall, 36HRear rim - Radio 'Rookie' rim, single wall, 36HSeat - Radio 'Century' mid padded combo seatSeat clamp - Radio 'Slim' alloy seat clampTyres - Radio 'Rookie' tyres, 2.3″ front & rearWeight - 12.25kgFrame geometryTop tube length - 20.3″Chain stay length - 13.2″Head tube angle - 75°Seat tube angle - 71.5°Bottom bracket height - 11.75″Standover height - 8.25″Handlebar geometryRise - 8.8″Width - 29″Backsweep - 11°Upsweep - 2°