The Highpoint A2 from Jamis features a lightweight and strong triple-butted 6061 series aluminum tubing with over-sized & tapered tubing for increased frame stiffness.Frame: 6061triple-butted aluminum main tubes, 1.5 - 1 1/8” tapered head tube, over-sized stays, replaceable derailleur hangerFork: R Suntour XCM 32 HLO 29”, coil spring, hydraulic speed lock out adjust, external preload adjustor, 32mm stanchions, aluminum lowers, 15x100mm axle, 120mm travel, 51mm rakeHeadset: Zero-stack internal cup, 15mm cone spacerWheels: WTB STX i23 TCS tubeless 29” rims, 32H, alloy disc hubs, 14G black electroplated spokesTires: WTB Trailboss, 29 x 2.25”Derailleurs: Shimano Deore Shadow Plus rear, 10-speedShift levers: Shimano Deore, 1×10-speedChain: KMC X10, 10-speedCassette: Shimano M4100, 10-speed, 11-42TCrankset: Shimano Deore, 32TBB Set: Shimano BSAPedals: MTB platform, hi-impact resinBrakeset: Tektro M275 hydraulic disc, 160mm rotorsHandlebar: Jamis XC alloy riser, 31.8 x 20mm rise x 740mmStem: Jamis XC alloy threadless, 31.8 x 60mmGrips: KratonSeat Post: Jamis alloy micro-adjust, 31.6 x 400mmPlease Note: Due to ongoing issues in the supply chain, this bike is subject to specification changes without notice. Any changes made will be using equivalent or higher quality parts.**Some minor assembly is required. See our video (below) or consult our assembly guide for assistance.Unfortunately, we are not able to process faulty or warranty bike returns through our warehouse. If your bike develops a fault, please take it to your nearest GO Outdoors store where we have a full workshop and trained mechanics who will be able to assist you. Please note, this excludes Hathersage and Southport stores.