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The Rocky Mountain Instinct is a do-it-all trail bike built to climb efficiently and charge hard on the descents, with adjustable geometry, premium suspension, and confident handling for any terrain.
Frame
SMOOTHWALL™ Carbon frame with full sealed cartridge bearings, press-fit bottom bracket, and internal cable routing. Features 2-bolt ISCG05 tabs, RIDE-9™ adjustable geometry, and a 2-position rear axle. 140mm rear travel with a SMOOTHWALL™ Carbon rear triangle.
Fork
Fox 36 Float EVOL GRIP Performance Series, 150mm travel
• 27.5” models: 37mm offset
• 29” models: 44mm offset
Front Travel
150mm
Rear Shock
Fox Float DPS Performance with sealed bearing eyelet
• Hardware: 25x8mm F
• Shock sizing:
– XS–SM: 190x45mm
– MD–LG–XL: 210x52.5mm
• Size-specific tune (see FAQ)
Rear Travel
140mm
Headset
FSA Orbit NO.57E with sealed stainless bearings (36° x 45°)
• Upper: 30.2mm x 41mm x 7.1mm
• Lower: 40mm x 51.8mm x 7.5mm
• 1.5” crown race
Stem
Rocky Mountain 35 AM, 5° rise, 40mm (all sizes)
Handlebar
Rocky Mountain AM, 780mm width, 25mm rise
• 9° backsweep, 5° upsweep
• 35mm clamp diameter
Grips
ODI Elite Pro Lock-On
Brakes
Shimano SLX Trail 4-piston brakes with metal pads
• Rotors: Shimano RT66 180mm (front & rear)
Shifters
Shimano XT
Rear Derailleur
Shimano XT
Crankset & Chainring
Race Face Aeffect Cinch with 32T steel chainring
• 24mm spindle
• Crank lengths:
– XS: 165mm
– SM–XL: 170mm
Bottom Bracket
Shimano SM-BBMT500
Cassette
Shimano SLX 10–51T
Chain
Shimano M6100
Front Hub
Rocky Mountain sealed Boost hub, 15mm axle
Rear Hub
DT Swiss 370 Boost 148mm with 18T Star Ratchet
Spokes
DT Swiss Champion 2.0
Rims
WTB ST Light i30 TCS 2.0, 32H
• Tubeless-ready (tape and valves included)
Tires
• Front: Maxxis Minion DHF 2.5 WT, 3C MaxxTerra, EXO+, Tubeless Ready
• Rear: Maxxis Minion DHR II 2.4 WT, 3C MaxxTerra, EXO+, Tubeless Ready
Seatpost
Rocky Mountain Toonie Drop Alloy, 30.9mm
• XS–SM: 125mm
• MD: 150mm
• LG–XL: 170mm