Velopedia Bicycle Archive
Compare Bicycles
Compare published geometry, gearing and specifications for up to three bicycles.
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1 of 2 bicycles
At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Frame geometry
2024 Rocky Mountain Instinct Carbon 99 has 21 mm more reach than 2021 Rocky Mountain Instinct Carbon 99 in the selected sizes.
More reach puts the head-tube reference farther forward, not necessarily the hands.
- Frame geometry
2024 Rocky Mountain Instinct Carbon 99 has 32 mm more stack than 2021 Rocky Mountain Instinct Carbon 99 in the selected sizes.
More stack places the frame reference higher, not necessarily the handlebar.
- Handling
2024 Rocky Mountain Instinct Carbon 99 has a 1.8° slacker head-tube angle than 2021 Rocky Mountain Instinct Carbon 99 in the selected sizes.
Fork offset, tire size and wheelbase also affect steering; head angle alone is not a handling verdict.
- Equipment
2024 Rocky Mountain Instinct Carbon 99 has 10 mm more front travel than 2021 Rocky Mountain Instinct Carbon 99 in the selected sizes.
Front travel is fork suspension stroke, not rear-wheel travel.
- Data limitation
Published weights cannot be compared because the measurement conditions are missing or differ.
Selected-size geometry
Geometry overlay
Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.62:1Highest3.20:1Total range520%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
Lowest0.62:1Highest3.20:1Total range520%
Speed unavailable: wheel or tire size is missing or unclear.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
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
Original MSRP
$10,449.00
$10,499.00
Colors
Purple/Beige
Black/Red/Silver
Sizes
XS, S, M, L, XL
XS, S, M, L, XL
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"
Geometry · choose a size for each bicycle
Geometry size
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
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.