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.
- 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.
Lowest0.63:1Highest3.20:1Total range510%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
Lowest0.63:1Highest3.20:1Total range510%
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
2022 Rocky Mountain Instinct Alloy 50
2023 Rocky Mountain Instinct Alloy 50
Overview
Model Year
2022
2023
Brand
Rocky Mountain
Rocky Mountain
Model
Instinct Alloy 50
Instinct Alloy 50
Bicycle Type
Mountain
Mountain
Original MSRP
$4,579.00
$4,599.00
Colors
Gold/Red, Blue/Green
Brown/Blue, Blue/Orange
Sizes
XS, S, M, L, XL
XS, S, M, L, XL
Weight
33.7 LBS|15.31 KGS
33.6 LBS|15.2 KGS
Frameset
Frame Construction
FORM™ Alloy. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry. 2 Position Axle. 140mm Travel. FORM™ Alloy Rear Triangle
FORM™ Alloy | Full Sealed Cartridge Bearings | Press Fit BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-9™ Adjustable Geometry | 2 Position Axle | 140mm Travel. FORM™ Alloy Rear Triangle
Frame Material
Aluminum
Aluminum
Fork
Fox 36 Float EVOL GRIP Performance Series 150mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Fox 36 Float EVOL GRIP Performance Series 150mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Rear Shock
Fox Float X Performance | Sealed Bearing Eyelet | 25x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | Size-Specific tune in FAQ
Fox Float X Performance | Sealed Bearing Eyelet | 25x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | Size-Specific tune in FAQ
Drivetrain
Shifters
Shimano SLX
Shimano SLX
Rear Derailleur
Shimano XT
Shimano XT
Crankset
Race Face Ride Cinch | 32T | 24mm Spindle | Crankarm Length: XS = 165mm | SM - XL = 170mm
Race Face Ride Cinch | 32T | 24mm Spindle | Crankarm Length: XS = 165mm | SM - XL = 170mm
Bottom Bracket
FSA BB92 24mm
Shimano SM-BBMT500
Cassette
Shimano Deore 10-51T 12spd
Shimano Deore 10-51T 12spd
Chain
Shimano M6100
Shimano M6100
Brakes
Brakes
Shimano MT6120 4 Piston | Metal Pads | F: Shimano RT64 180mm | R: Shimano RT64 180mm
Shimano MT6120 4 Piston | Metal Pads | F:Shimano RT64 180mm | R:Shimano RT64 180mm
Cockpit & Contact Points
Headset
FSA Orbit NO.57E | Sealed 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
FSA Orbit NO.57E | Sealed 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
Handlebar
Rocky Mountain AM | 780mm 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 | 5° Rise | All Sizes = 40m
Rocky Mountain 35 AM | 5° Rise | All Sizes = 40m
Saddle
WTB Volt Race 142
WTB Volt Race 142
Seatpost
Rocky Mountain Toonie Drop Alloy 30.9mm | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm
Rocky Mountain Toonie Drop Alloy 30.9mm | XS - SM = 125mm | MD = 150mm | LG - XL = 170mm
Wheels & Tires
Hubs
Front: Rocky Mountain Sealed Boost 15mm; Rear: Shimano SLX Boost 148mm
Front: Rocky Mountain Sealed Boost 15mm; Rear: Shimano SLX Boost 148mm
Rims
WTB ST Light i30 TCS 2.0 Tubeless | 32H | Tubeless Ready - Tape | Valves Incl
WTB ST Light i30 TCS 2.0 Tubeless | 32H | Tubeless Ready - Tape / Valves Incl
Spokes
DT Swiss Competition 2.0/1.8/2.0
DT Swiss Competition 2.0/1.8/2.0
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
29"; 27.5"
29"; 27.5"
Geometry · choose a size for each bicycle
Geometry size
Reach
489 mm
489 mm
Stack
627 mm
627 mm
Effective top tube
636 mm
636 mm
Head-tube angle
65.8°
65.8°
Seat-tube angle
76.8°
76.8°
Seat tube
445 mm
445 mm
Head tube
110 mm
110 mm
Chainstay / rear center
437 - 448
437 - 448
Wheelbase
1240 mm
1240 mm
Bottom-bracket drop
34 mm
34 mm
Standover height
802 mm
802 mm
Wheel size
29
29
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.