Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
- Equipment
2026 Rocky Mountain Instinct Carbon 50 has 10 mm more front travel than 2025 Rocky Mountain Instinct Carbon 50 in the selected sizes.
Front travel is fork suspension stroke, not rear-wheel travel.
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.
Lowest0.63:1Highest3.20:1Total range510%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
Lowest0.62:1Highest3.20:1Total range520%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
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
2025 Rocky Mountain Instinct Carbon 50
2026 Rocky Mountain Instinct Carbon 50
Overview
Model Year
2025
2026
Brand
Rocky Mountain
Rocky Mountain
Model
Instinct Carbon 50
Instinct Carbon 50
Bicycle Type
Mountain
Mountain
Original MSRP
$5,499.00
$5,499.00
Colors
Blue/Blue
Grey/Beige, Blue/Blue
Sizes
XS, S, M, L, XL
XS, S, M, L, XL
Weight
—
—
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 | 140mm Travel | SMOOTHWALL™ Carbon Rear Triangle
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 | SM - XL = 145mm | XS = 140mm | SMOOTHWALL™ Carbon Rear Triangle
Frame Material
Carbon Fiber
Carbon Fiber
Fork
RockShox Lyrik Select 150mm | Charger RC Damper | 27.5 = 37mm Offset | 29 = 42mm Offset
RockShox Lyrik Select 160mm | Charger RC Damper | 27.5 = 37mm Offset | 29 = 42mm Offset
Rear Shock
Fox Float X Performance | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | Size-Specific tune in FAQ
RockShox Super Deluxe Select | Linear XL Air Can | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x55mm | Size-Specific tune in FAQ
Drivetrain
Shifters
Shimano XT
Sram Eagle 90 Transmission
Rear Derailleur
Shimano XT
Sram Eagle 90 Transmission
Crankset
Race Face Aeffect Cinch | 32T | 24mm Spindle | Crankarm Length: XS - SM = 165mm | MD - XL = 170mm
Sram Eagle 70 | 32T | DUB Spindle | Crankarm Length: SM = 165mm | MD - XL = 170mm
Bottom Bracket
Shimano SM-BBMT500
Sram BB92 DUB Wide
Cassette
Shimano SLX 10-51T 12spd
Sram XS-1270 Eagle Transmission 10-52T
Chain
Shimano M6100
Sram Eagle 70 Transmission
Brakes
Brakes
Shimano MT6120 4 Piston | Metal Pads
Sram Maven 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
FSA Orbit NO.85 Reach Adjust | 0mm Cups Installed | +/- 5mm Cups Included | 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race
Handlebar
Rocky Mountain AM | 760mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp
Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp
Stem
Rocky Mountain 35 AM | 0° Rise | All Sizes = 40mm
Rocky Mountain 35 AM | 0° Rise | All Sizes = 40mm
Saddle
WTB Volt Race 142 | Cromoly rails
WTB Volt Race 142 | Cromoly rails
Seatpost
X Fusion Manic Composite 30.9mm | XS = 125mm | SM = 150mm | MD = 170mm | LG - XL = 200mm
Tranz X +RAD2.0 Adjustable Dropper Post | 30mm Adjustment | Alloy MMX Lever | 30.9mm | XS = 120mm | SM = 150mm | MD = 170mm | LG = 200mm | XL = 230mm
Wheels & Tires
Hubs
Front: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Star-Ratchet
Front: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Ratchet LN
Rims
WTB KOM Team i30 TCS 2.0 | 28H | Tubeless Set Up | Sealant Incl
WTB KOM Team i30 TCS 2.0 | 28H
Spokes
2.0 Stainless
2.0 Stainless
Front Tire
Maxxis Minion DHF 2.5 WT 3C MaxxTerra EXO+ Tubeless Ready
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
Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Wheel Size
27.5"; 29"
XS: 27.5″; SM/MD/LG/XL: 29″
Geometry · choose a size for each bicycle
Geometry size
Reach
510 mm
510 mm
Stack
659 mm
659 mm
Effective top tube
645 mm
645 mm
Head-tube angle
64°
64°
Seat-tube angle
77°
77°
Seat tube
470 mm
470 mm
Head tube
135 mm
135 mm
Chainstay / rear center
440 - 450
440 - 450
Wheelbase
1293 mm
1293 mm
Bottom-bracket drop
36 mm
36 mm
Standover height
796 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.