Velopedia Bicycle Archive
2025 Rocky Mountain Instinct Carbon 99
Original specifications: 27.5"; 29" wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2025
- Category
- Mountain
- Original MSRP
- $10,999.00
- Sizes
- XS, S, M, L, XL
- Colors
- Green/White/Grey
- Geometry
- 4 manufacturer sizes
- In this record
- 17 specifications · 2 archived images · original MSRP · geometry
- Archive ID
- 900001896
Original buildCarbon Fiber · 27.5"; 29"
Frameset
| Frame Construction | SMOOTHWALL™ Carbon | Penalty Box 2.0 Storage | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 2 Position Axle | 29" = 150mm | 27.5" = 140mm | SMOOTHWALL™ Carbon Rear Triangle |
|---|---|
| Frame Material | Carbon Fiber |
| Fork | RockShox Lyrik Ultimate Flight Attendant 160mm | Auto-Adjust Flight Attendant Damper | 27.5 = 37mm Offset | 29 = 42mm Offset |
| Rear Shock | RockShox Super Deluxe Ultimate Flight Attendant | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ |
Drivetrain
| Shifters | Sram AXS Pod Ultimate Controller |
|---|---|
| Rear Derailleur | Sram XX Eagle Transmission Wireless |
| Crankset | Sram XX Transmission Carbon | 32T | Power Meter | DUB Spindle | Crankarm Length: XS -SM = 165mm | MD - XL = 170mm |
| Bottom Bracket | Sram BB92 DUB Wide |
| Cassette | Sram XX Eagle Transmission 10-52T |
| Chain | Sram XX Transmission |
Brakes
| Brakes | Sram Code Ultimate Stealth 4 Piston | Metal Pads |
|---|
Cockpit & Contact Points
| Headset | FSA Orbit NO.85 Reach Adjust | 0mm Cups Installed | +/- 5mm Cups Included | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race |
|---|---|
| Handlebar | Race Face ERA | XS = 760mm | SM - XL = 780mm Width | 20mm Rise | 8° Backsweep | 5° Upsweep | 35mm Clamp |
| Stem | Race Face Turbine R | 0° Rise | All Sizes = 40mm |
| Saddle | WTB Volt Fusion Form 142 | Titanium Rails |
| Seatpost | Rock Shox Reverb AXS Wireless Post | XS = 125mm | SM = 150mm | MD - XL = 170mm |
Wheels & Tires
| Wheel Size | 27.5"; 29" |
|---|
Geometry
Frame measurements by size.
Reference frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 11 measurements
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Seat tube | 365 mm | 410 mm | 440 mm | 470 mm |
| Effective top tube | 572 mm | 621 mm | 640 mm | 649 mm |
| Head tube | 100 mm | 110 mm | 125 mm | 135 mm |
| Head-tube angle | 63.5° | 63.5° | 63.5° | 63.5° |
| Seat-tube angle | 76.5° | 76.5° | 76.5° | 76.5° |
| Chainstay / rear center | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Wheelbase | 1198 mm | 1227 mm | 1259 mm | 1293 mm |
| Bottom-bracket drop | 44 mm | 44 mm | 44 mm | 44 mm |
| Reach | 423 mm | 449 mm | 474 mm | 504 mm |
| Stack | 572 mm | 599 mm | 628 mm | 659 mm |
| Standover height | 760 mm | 798 mm | 796 mm | 792 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts

SRAM XX Eagle Transmission 12-Speed Chain Silver, 126 links
126 links

SRAM XS-1297 XX Eagle Transmission 12-Speed Cassette Black, 10-52t
10-52t

SRAM DUB Pressfit Bottom Bracket MTB Wide, BB92, 89/92mm
BB92, 89/92mm
More parts (2)

SRAM XX Eagle AXS Transmission Powermeter Crankset - Boost Black, 165mm, 32t
165mm, 32t

SRAM XX Downhill AXS Transmission Rear Derailleur Black, 7-Speed
7-Speed
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases. Velopedia may also earn from qualifying retailer purchases.
Bike-specific inspection checklist 19 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2025 Rocky Mountain Instinct Carbon 99 · Mountain · Published sizes: XS, S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: SMOOTHWALL™ Carbon | Penalty Box 2.0 Storage | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 2 Position Axle | 29" = 150mm | 27.5" = 140mm | SMOOTHWALL™ Carbon Rear Triangle · Fork: RockShox Lyrik Ultimate Flight Attendant 160mm | Auto-Adjust Flight Attendant Damper | 27.5 = 37mm Offset | 29 = 42mm Offset
Suspension
Evaluate the suspension →Archived: Fork: RockShox Lyrik Ultimate Flight Attendant 160mm | Auto-Adjust Flight Attendant Damper | 27.5 = 37mm Offset | 29 = 42mm Offset · Rear shock: RockShox Super Deluxe Ultimate Flight Attendant | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ
Drivetrain
Check drivetrain wear →Archived: Shifters: Sram AXS Pod Ultimate Controller · Rear derailleur: Sram XX Eagle Transmission Wireless · Crankset: Sram XX Transmission Carbon | 32T | Power Meter | DUB Spindle | Crankarm Length: XS -SM = 165mm | MD - XL = 170mm · Bottom bracket: Sram BB92 DUB Wide · Cassette: Sram XX Eagle Transmission 10-52T · Chain: Sram XX Transmission
Brakes
Inspect the brakes →Archived: Brakes: Sram Code Ultimate Stealth 4 Piston | Metal Pads
Controls and contact points
Archived: Handlebar: Race Face ERA | XS = 760mm | SM - XL = 780mm Width | 20mm Rise | 8° Backsweep | 5° Upsweep | 35mm Clamp · Stem: Race Face Turbine R | 0° Rise | All Sizes = 40mm · Seatpost: Rock Shox Reverb AXS Wireless Post | XS = 125mm | SM = 150mm | MD - XL = 170mm · Saddle: WTB Volt Fusion Form 142 | Titanium Rails
Before and during the test ride
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Gallery2 images
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.


