ROCKSHOX suspension fork ´´SID SL Ultimate Race Day 2P´´ 27,5´´+ / 29´´ boost application:cross country spring:DebonAir+ adjustment:air pressure via Schrader valve damping:Charger Race Day 2 adjustment:external rebound, 2-stage external compression:open/lockout steering tube:aluminium, approx.265mm, tapered 1,5´´ to 1 1/8´´ ahead crown:hollow forged aluminium stanchion:aluminium, 32mm, sliders:magnesium, for PM disc brake from 180 up to 200mm, 44mm offset, max.tire width 60mm accessory:Maxle Stealth 15 x 110mm thru axle, clip-on fender, ahead clamp.SPECIFICATIONS:-black, for remote control (not incl.), compatible with all RockShox remote controls with 10mm cable pull, 100mm travel.