Take advantage of this amazing offer and build the long travel bike of your dreams! Transition Spire Frame Transition's 170 mm 29er with the latest version of Transitions “Giddy Up” suspension platform, with improved small bump sensitivity and mid-stroke support. The Spire's frame has a flip chip at the lower shock mount. There's more adjustment at the head tube, with a ZS56/ZS56 press fit headset, which you can replace with an angleset to change reach or head tube angle. Chainstay length increases on the XL and XXL size frames, from 446 mm on the S, M and L bikes to 452 on the XL and XXL bikes, and there's clearance for a 2.6 tyre. This carbon frame kit includes a ROCKSHOX Vivid Ultimate Air shock and a ZS52/ZS52 headset. High and low geometry options via lower shock mount flip chip. Two chainstay lengths, short on S, M & L and long on XL & XXL. New oversized parallel headtube enabling the use of reach or angle adjustment headsets. Frame protection on chainstay, seat stay and downtube “shuttle guard”. EnduroMAX frame bearings. Ohlins RXF38 M.2 Fork Öhlins legendary performance with burly 38 mm stanchions. Available in 29" only, with travel from 160-180 mm. TTX18 twin tube damping system. Independent cartridge air spring and damper systems. Air spring adjustable to 160/170/180 mm of travel. Easy to tune three-chamber air spring system. 38 mm stanchion diameter, with both 44 mm and 51 mm crown offsets. Floating axle design to minimize friction Approved for eMTB use and available with eMTB compatible crowns Compatible with maximum tire sizes up to 29”x2.6 Compatible with maximum rotor sizes up to 220 mm, optimised for 200 mm. Axle to crown measurement: 583 mm @ 170 mm stroke. Weight: from 2320 grams.