This is a 2007 GT Avalanche model.Grips: GT Dual Density ATB Stem: GT ATB, threadless 25 degree rise with four bolt alum CNC face plate for 31.8mm Nipples: Brass CP Spokes: Stainless steel 14 gauge Chain: Shimano HG-53 Nine Speed Rear Cogs: SRAM Nine speed index cassette 12-32 Pedals: Shimano PDM-520 clipless pedal with cleats Saddle: WTB Speed V saddle Seat Post: Micro-adjust seatpost Handlebar: GT Riser BarWheels/Tires: Alloy double wall disc rims; Shimano disc hubs; Kenda Nevegal 2.1” tiresBrakes: Avid BB7 mountain ball bearing disc brakesCrankset: Shimano 44/34/22 9-speed Octalink compatibleDrivetrain: Shimano 27-speed drivetrain with Deore front derailleur and Shimano Deore LX rear derailleur; Shimano Deore trigger shiftersSuspension: SR X-100 fork, 100 mm travel w/32mm alum stanchions, magnesium lowers with lockout, preload adjust and hydraulic dampingHeadset: Tange system for 1 1/8" Seat Clamp: GT Forged Alum QR Frame: GT Triple Triangle design 6061 butted aluminum with new hydroformed downtube, zero stack headtube. Disc compatible with removeable der. hanger