The RockShox Pike Ultimate is designed to be the best trail fork out there. It features the Charger 2.1 RC2 damper unit to provide excellent control and external adjustability to dial the fork in to the terrain and your preferences. Model designator (SF): Ultimate Travel (mm): 130mm, 140mm, 150mm Damper Type: Charger 2.1 RC2 Fork offset: 37mm or 46mm (27.5") 51mm or 42mm (29") Maxle included: Maxle Stealth Colour (FS): Gloss Black E-MTB Decal: No Steerer: 1.5" Tapered Axle: 15x110mm BOOST Axle to Crown (mm): 522, 532, 542 Brake type (FD): Disc Crown Material: Forged, hollow aluminium Lower leg material: Magnesium Upper Tube Finish: Fast Black Upper tube type: 35mm tapered wall aluminium Damper adjust: Crown Damping adjustments: External begin stroke rebound, low speed comp, high speed comp Volume reducer: 1/4 Tokens Spring: DebonAir Max Tire Diameter (mm): 732 Max Tire Width (mm): 81 Maximum Rotor Size: 220mm Minimum Rotor Size: 180mm Crown OD (mm): 58 Part Weight (g): 1790