Bicycle Archive · Specification reportBicycle Archive · Specification report2021 Rocky Mountain Instinct Carbon 99 · 2024 Rocky Mountain Instinct Carbon 99
| Specification | 2021 Rocky Mountain Instinct Carbon 99 | 2024 Rocky Mountain Instinct Carbon 99 |
|---|---|---|
| Overview | ||
| Model year | 2021 | 2024 |
| Brand | Rocky Mountain | Rocky Mountain |
| Model | Instinct Carbon 99 | Instinct Carbon 99 |
| Bicycle type | Mountain | Mountain |
| Archive ID | 900004825 | 900004708 |
| Original MSRP | $10,449.00 | $10,499.00 |
| Colors | PURPLE/BEIGE | BLACK/RED/SILVER |
| Sizes | SM; MD; LG; XL; XS | SM; MD; LG; XL; XS |
| Weight | 28.776 LBS|13.08 KGS | 30.4 LBS|13.8 KGS |
| Frameset | ||
| Frame construction | SMOOTHWALL™ Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry. 2 Position Axle. 140mm Travel. SMOOTHWALL™ Carbon Rear Triangle | SMOOTHWALL™ Carbon | 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 | Carbon Fiber |
| Fork | RockShox Pike Ultimate RC2 150mm | 27.5 = 37mm Offset | 29 = 42mm Offset | RockShox Lyrik Ultimate Flight Attendant 160mm | Auto-Adjust Flight Attendant Damper | 27.5 = 37mm Offset | 29 = 42mm Offset |
| Rear shock | RockShox Super Deluxe Ultimate | Sealed Bearing Eyelet | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | 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 Eagle AXS | Sram AXS Wireless Pod Controller |
| Rear derailleur | Sram XX1 Eagle AXS Wireless | Sram X0 Transmission Wireless |
| Crankset | Sram XX1 Carbon Eagle | 27.5 = 34T | 29 = 32T | Sram X0 Transmission Alloy | 32T | DUB Spindle | Power Meter Sensor | Crankarm Length: XS -SM = 165mm | MD - XL = 170mm |
| Bottom bracket | Sram BB92 DUB | Sram BB92 DUB Wide |
| Cassette | Sram XG-1299 10-52T | Sram X0 Transmission 10-52T |
| Chain | Sram XX1 Eagle | Sram XO Flattop T-Type |
| Brakes | ||
| Brakes | Sram G2 Ultimate 4 Piston | Sram Code RSC 4 Piston | Metal Pads |
| Cockpit & contact points | ||
| Headset | Cane Creek Hellbender 70 | FSA Orbit NO.85 Reach Adjust| 0mm Cups Installed | +/- 5mm Cups Included | Durable Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race |
| Handlebar | Race Face Next R 780mm | Race Face Next R | XS = 760mm | SM - XL = 780mm Width | 20mm Rise | 8° Backsweep | 5° Upsweep | 35mm Clamp |
| Stem | Race Face Turbine R | 40mm | Race Face Turbine R | 0° Rise | All Sizes = 40mm |
| Saddle | WTB Volt Team 142 | Titanium Rails | WTB Silverado Carbon 142 | Carbon Rails |
| Seatpost | Rock Shox Reverb AXS Wireless Post | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm | Rock Shox Reverb AXS Wireless Post | XS = 125mm | SM = 150mm | MD - XL = 170mm |
| Wheels & tires | ||
| Hubs | — | Front: DT Swiss XMC 1501 Carbon; Rear: DT Swiss XMC 1501 Carbon |
| Rims | — | DT Swiss XMC 1501 Carbon |
| Spokes | — | DT Swiss XMC 1501 Carbon |
| Front tire | Maxxis Minion DHF 2.5 WT 3C MaxxTerra EXO+ Tubeless Ready | Maxxis Dissector 2.4 WT 3C MaxxTerra EXO Tubeless Ready |
| Rear tire | Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready | Maxxis Dissector 2.4 WT 3C MaxxTerra EXO Tubeless Ready // |
| Wheel size | 29"; 27.5" | 29"; 27.5" |
One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.
| Measurement | 2021 Rocky Mountain Instinct Carbon 99 | 2024 Rocky Mountain Instinct Carbon 99 |
|---|---|---|
| Selected size / position | LG · 29″ · POS.7 | XL · 29″ · POS.3 |
| Reach | 489 mm | 510 mm |
| Stack | 627 mm | 659 mm |
| Effective top tube | 636 mm | 645 mm |
| Head-tube angle | 65.8° | 64° |
| Seat-tube angle | 76.8° | 77° |
| Seat tube | 445 mm | 470 mm |
| Head tube | 110 mm | 135 mm |
| Chainstay / rear center | 437 - 448 | 440 - 450 |
| Wheelbase | 1240 mm | 1293 mm |
| Bottom-bracket drop | 34 mm | 36 mm |
| Standover height | 802 mm | 796 mm |
| Wheel size | 29 | 29 |
Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.