2021 GT Aggressor Expert Hardtail Mountain Bike in Silver is an off-road friendly hardtail mountain bike that’s also perfect for everyday recreational use.The GT Aggressor is built around a lightweight 6061 alloy triple triangle frame. It has floating seat stays for a smoother ride, forged drop-outs, improved external cable routing, zero-stack 1 1/8″ head tube, 135mm rear spacing and a replaceable derailleur hanger. The Extra small frame sizes use a 27.5″ wheel and the small, medium, large and Extra large bikes use a 29″ wheel to make the bike better fit all sizes of rider. Pannier rack and mudguard mounts make the bike more versatile and easily lets you turn it onto a tough commuter.The Aggressor Comp comes with a Suntour suspension fork with lockout to make riding on the road more efficient. Tektro hydraulic disc brakes add great all-weather stopping power. The reliable Microshift 3 x 8 gearing gives you plenty of gears for getting up the hills.This bike is perfect forRiders who want a mountain bike for general recreation use and commuting that is also capable of tackling proper off-road rides. With hydraulic brakes and a suspension for with lockout this bike is more efficient on the road and stops you better off-road.Key FeaturesBlended wheel-size accommodates a wide range of riders XS (27.5″), S, M, L, XL(29″)The floating seat stays provide a more comfortable rideRack and mudguard ready for maximum utilityTektro hydraulic disc brakes and Suntour suspension fork with lockoutPlease note GT made significant changes to the specification of this bike after the first shipments arrived in the UK. Exact specifications on bikes may vary.