... RL-R, 160mm travel, Air Spring, tapered aluminum steerer, 34mm stanchions, Magnesium lowers, forged crown, 15mm axle Headset: FSA No.9M/12B ... : WTB Speed Disc i23, 27.5" double-wall aluminum w/ eyelets Front Hub: Forged aluminum, Center Lock disc mount 32H, 15mm axle Rear ... Hub: Forged aluminum, Center Lock disc mount, 32H, 142 x 12mm axle Tyres: ...