Rocky Mountain
Instinct Alloy 50
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geometry
Geometry
Geometry
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Geometry
Geometry
Frame geometry
| Geometry | lg | md | sm | xl |
|---|---|---|---|---|
| Stack | 628mm | 599mm | 572mm | 659mm |
| Reach | 474mm | 449mm | 423mm | 504mm |
| Headtube length | 125mm | 110mm | 100mm | 135mm |
| Headtube angle | 63.5deg | 63.5deg | 63.5deg | 63.5deg |
| BB height | — | — | — | — |
| BB drop | 44mm | 44mm | 44mm | 44mm |
| Trail | — | — | — | — |
| Fork length | — | — | — | — |
| Fork offset | — | — | — | — |
| Front center | — | — | — | — |
| Chainstay length | 440mm | 440mm | 440mm | 440mm |
| Wheelbase | 1259mm | 1227mm | 1198mm | 1293mm |
| Top tube | 640mm | 621mm | 572mm | 649mm |
| Standover height | 796mm | 798mm | 760mm | 792mm |
| Seat tube length | 440mm | 410mm | 365mm | 470mm |
| Seat tube angle | 76.5deg | 76.5deg | 76.5deg | 76.5deg |
Spec geometry
| Geometry | lg | md | sm | xl |
|---|---|---|---|---|
| Crank length | 170mm | 170mm | 165mm | 170mm |
| Stem length | 40mm | 40mm | 40mm | 40mm |
| Handlebar width | 760mm | 760mm | 760mm | 760mm |
| Handlebar reach | — | — | — | — |
| Handlebar drop | — | — | — | — |
| Saddle width | 142mm | 142mm | 142mm | 142mm |
| Dropper post travel | 200mm | 170mm | 150mm | 200mm |
| Seatpost offset | — | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
FORM™ Alloy | Full sealed cartridge bearings | Press Fit BB | Internal cable routing | 2-bolt ISCG05 tabs | RIDE-4™ adjustable geometry | 2-position axle | 140mm travel | FORM™ Alloy rear triangle
Suspension
Rear shock
Fox Float X Performance | Sealed bearing eyelet | 20x8mm F hardware | XS–SM: 190x45mm | MD–LG–XL: 210x52.5mm
Fork
Fox 36 Float EVOL GRIP Performance Series, 150mm (27.5: 37mm offset | 29: 44mm offset)
Brakes
Front brake
Shimano MT6120, 4-piston (metal pads)
Rear brake
Shimano MT6120, 4-piston (metal pads)
Front rotor
null
Rear rotor
null
Drivetrain
Shift levers
Shimano XT
Rear derailleur
Shimano XT
Cassette
Shimano SLX, 12-speed, 10-51T
Chain
Shimano M6100
Crankset
Race Face Ride Cinch | 32T | 24mm spindle | Crankarm length: XS–SM 165mm | MD–XL 170mm
Bottom bracket
Shimano SM-BBMT500
Cockpit
Stem
Rocky Mountain 35 AM | 0° rise | 40mm (all sizes)
Handlebars
Rocky Mountain AM | 760mm width | 25mm rise | 9° backsweep | 5° upsweep | 35mm clamp
Grips
ODI Elite Pro Lock On
Saddle
WTB Volt Race 142 | cromoly rails
Seatpost
X Fusion Manic Composite, 30.9mm | XS 125mm | SM 150mm | MD 170mm | LG–XL 200mm
Wheels & Tires
Front wheel
WTB KOM Team i30 TCS 2.0 | 28H | tubeless setup | sealant included; Novatec D791SB sealed, Boost 15mm; 2.0 stainless
Rear wheel
WTB KOM Team i30 TCS 2.0 | 28H | tubeless setup | sealant included; Shimano XT, Boost 148mm; 2.0 stainless
Front tire
Maxxis Minion DHF 2.5 WT 3C MaxxTerra EXO+ Tubeless Ready
Rear tire
Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready