Rocky Mountain
Instinct Carbon 99
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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 | 780mm | 780mm | 780mm | 780mm |
| Handlebar reach | — | — | — | — |
| Handlebar drop | — | — | — | — |
| Saddle width | 142mm | 142mm | 142mm | 142mm |
| Dropper post travel | 170mm | 170mm | 150mm | 170mm |
| Seatpost offset | — | — | — | — |
Specs
Full specs
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Specs
Full specs
Frame
Frame
SMOOTHWALL™ Carbon frame w/ SMOOTHWALL™ Carbon rear triangle, Penalty Box 2.0 storage, sealed cartridge bearings, press-fit BB, internal cable routing, ISCG05 tabs, RIDE-4™ adjustable geometry, 2-position axle (29": 150mm rear travel / 27.5": 140mm rear travel)
Suspension
Rear shock
RockShox Super Deluxe Ultimate Flight Attendant (sealed bearing eyelet; 20x8mm F hardware; size-specific: XS–SM 190x45mm / MD–XL 210x55mm)
Fork
RockShox Lyrik Ultimate Flight Attendant, 160mm (Auto-Adjust Flight Attendant damper; offset: 37mm (27.5) / 42mm (29))
Brakes
Front brake
SRAM Code Ultimate Stealth, 4-piston (metal pads)
Rear brake
SRAM Code Ultimate Stealth, 4-piston (metal pads)
Front rotor
null
Rear rotor
null
Drivetrain
Shift levers
SRAM AXS Pod Ultimate Controller
Rear derailleur
SRAM XX Eagle Transmission Wireless
Cassette
SRAM XX Eagle Transmission, 10-52T
Chain
SRAM XX Transmission
Crankset
SRAM XX Transmission Carbon w/ power meter, 32T, DUB spindle (crank length: XS–SM 165mm / MD–XL 170mm)
Bottom bracket
SRAM BB92 DUB Wide
Cockpit
Stem
Race Face Turbine R, 0° rise, 40mm (all sizes)
Handlebars
Race Face ERA, 35mm clamp, 20mm rise, 8° backsweep, 5° upsweep (width: XS 760mm / SM–XL 780mm)
Grips
ODI Elite Pro Lock-On
Saddle
WTB Volt Fusion Form 142 (titanium rails)
Seatpost
RockShox Reverb AXS wireless dropper (travel: XS 125mm / SM 150mm / MD–XL 170mm)
Wheels & Tires
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