Features Flight Attendant, using an algorithm with a suite of sensors to read rider and terrain inputs to anticipate the perfect suspension position Flight Attendant features include fork-only update for hardtail bikes and customizable Auto Mode to disable "Pedal" or "Lock" positions Built around the ultra versatile, highly capable and lightweight 35mm chassis Equipped with ButterCups that dampen high-frequency vibrations before they hit the rider&';s hands DebonAir+ air spring is built to strike the perfect balance between butter-like small bump feel with increased air volume for rider support throughout the travel 180mm minimum/220mm maximum rotor size, 81mm maximum tire width E-Bike approved TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Pike Ultimate Flight Attendant C2 Wheel Size 29" Steerer (Stem/Race) Tapered (28.6/40mm) Offset 44mm Travel 140mm Spring Type DebonAir+ Brake Mount Disc Only (PM-180) Dropout 15x110mm Boost Weight 1960g Color Red