<!--ProdInc[300299394]/Mall:[backcountry_US]-->Whether we are serious racers or just weekend warriors, we can all benefit from the premium performance of the RockShox SID Ultimate Race Day 3-Position 29in Boost Fork. Featuring excellent performance for cross-country racers, the SID Ultimate 3-position fork is super lightweight and ultra tunable and has a 3-positon compression switch so we can adjust our compression on the fly for changing trail scenarios. The DebonAir+ air spring offers enhanced small bump sensitivity and mid-stroke support for more performance in the beginning and middle parts of travel. Additional features of the RockShox SID Ultimate Race Day 3-Position 29in Boost Fork include a machined hollow aluminum crown and magnesium lower legs for weight savings and upgraded bushing for a smooth ride. <h3>Details</h3> Lightweight and capable cross-country race fork Charger Race Day 2 damper is lightweight and super tunable 3-position compression switch offers open, pedal, and lockout settings Lightweight hollow aluminum crown for weight savings Maxima Plush Dynamic Suspension lube reduces friction Item #RSXB07W <h3>Tech Specs</h3> Travel : 110mm, 120mm Stanchion Material : aluminum Lower Material : magnesium Crown Material : hollow aluminum Wheel Size : 29in Steer Tube Diameter : 1.5in tapered Stanchion Diameter : 35mm Axle To Crown : 531mm Rake : 44mm Spring Type : DebonAir+ Damper : Charger Race Day 2 Adjustability : 3-position crown Lockout : yes Axle : 15 x 110mm Boost Brake Compatibility : hydraulic, post mount Rotor Compatibility : [min] 180mm, [max] 220mm Includes : Bolt-in torque cap adapters Claimed Weight : [120mm] 3l <a href=''https://www.backcountry.com/rockshox-sid-ultimate-race-day-3-position-29in-boost-fork?RSXB07W-BLUCRU'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=backcountry&ProdInc=300299394&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>