Bicycle comparison

2021 Rocky Mountain Instinct Carbon 90 · 2023 Rocky Mountain Instinct Carbon 90

Specification	2021 Rocky Mountain Instinct Carbon 90	2023 Rocky Mountain Instinct Carbon 90
Overview
Model year	2021	2023
Brand	Rocky Mountain	Rocky Mountain
Model	Instinct Carbon 90	Instinct Carbon 90
Bicycle type	Mountain	Mountain
Archive ID	900004827	900004605
Original MSRP	$9,399.00	$9,799.00
Colors	GREEN/CARBON; PURPLE/BEIGE	Brown/Blue
Sizes	SM; MD; LG; XL; XS	XS; SM; LG; MD; XL
Weight	30.03 LBS\|13.65 KGS	30 LBS\|13.6 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-9™ Adjustable Geometry \| 2 Position Axle \| 140mm Travel. SMOOTHWALL™ Carbon Rear Triangle
Frame material	Carbon Fiber	Carbon Fiber
Fork	Fox 36 Float EVOL FIT4 Factory Series 150mm \| 27.5 = 37mm Offset \| 29 = 44mm Offset	Fox 36 Float EVOL FIT4 Factory Series 150mm \| 27.5 = 37mm Offset \| 29 = 44mm Offset
Rear shock	Fox Float DPX2 Factory \| Sealed Bearing Eyelet \| XS - SM = 190x45mm \| MD - LG - XL = 210x52.5mm	Fox Float X Factory \| Sealed Bearing Eyelet \| 25x8mm F Hardware \| XS - SM = 190x45mm \| MD - LG - XL = 210x52.5mm \| MD - LG - XL = 210x52.5mm \| Size-Specific tune in FAQ
Drivetrain
Shifters	Shimano XTR	Shimano XTR
Rear derailleur	Shimano XTR	Shimano XTR
Crankset	Race Face Next R Cinch \| 27.5 = 34T \| 29 = 32T	Race Face Era Cinch \| 32T \| 30mm Spindle \| Crank Length = 170mm
Bottom bracket	Race Face BB92 30mm	Race Face BB92 30mm
Cassette	Shimano XTR 12s 10-51T	Shimano XTR 12s 10-51T
Chain	Shimano XTR 12s	Shimano XTR 12s
Brakes
Brakes	Shimano XTR Trail 4 Piston	Shimano XTR Trail 4 Piston \| IceTec Metal Pads \| F:Shimano RT86 180mm \| R:Shimano RT86 180mm
Cockpit & contact points
Headset	FSA Orbit NO.57E	FSA Orbit NO.57E \| 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 \| 780mm Width \| 20mm Rise \| 8° Backsweep \| 4° Upsweep \| 35mm Clamp
Stem	Rocky Mountain 35 CNC	Rocky Mountain 35 CNC \| 0° Rise \| All Sizes = 40m
Saddle	WTB Volt Race 142	WTB Volt Race 142
Seatpost	Race Face Turbine R (by Fox) Dropper 30.9mm \| XS - SM = 125mm \| MD = 150mm \| LG - XL = 175mm	Fox Transfer Factory Series 30.9mm \| XS - SM = 125mm \| MD = 150mm \| LG = 175mm \| XL = 200mm
Wheels & tires
Hubs	Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 350 Boost 148mm	Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 350 Boost 148mm \| 36T Star-Ratchet
Rims	Race Face ARC Carbon 31 / Tubeless Ready - Tape / Valves Incl	Race Face ARC Carbon 31 \| 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"	27.5"; 29"

Specification

2021 Rocky Mountain Instinct Carbon 90

2023 Rocky Mountain Instinct Carbon 90

Overview

Model year

2021

2023

Brand

Rocky Mountain

Model

Instinct Carbon 90

Bicycle type

Mountain

Archive ID

900004827

900004605

Original MSRP

$9,399.00

$9,799.00

Colors

GREEN/CARBON; PURPLE/BEIGE

Brown/Blue

Sizes

SM; MD; LG; XL; XS

XS; SM; LG; MD; XL

Weight

30.03 LBS|13.65 KGS

30 LBS|13.6 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

Frame material

Carbon Fiber

Fork

Fox 36 Float EVOL FIT4 Factory Series 150mm | 27.5 = 37mm Offset | 29 = 44mm Offset

Rear shock

Fox Float DPX2 Factory | Sealed Bearing Eyelet | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm

Drivetrain

Shifters

Shimano XTR

Rear derailleur

Shimano XTR

Crankset

Race Face Next R Cinch | 27.5 = 34T | 29 = 32T

Race Face Era Cinch | 32T | 30mm Spindle | Crank Length = 170mm

Bottom bracket

Race Face BB92 30mm

Cassette

Shimano XTR 12s 10-51T

Chain

Shimano XTR 12s

Brakes

Shimano XTR Trail 4 Piston

Shimano XTR Trail 4 Piston | IceTec Metal Pads | F:Shimano RT86 180mm | R:Shimano RT86 180mm

Cockpit & contact points

Headset

FSA Orbit NO.57E

FSA Orbit NO.57E | 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

Stem

Rocky Mountain 35 CNC

Rocky Mountain 35 CNC | 0° Rise | All Sizes = 40m

Saddle

WTB Volt Race 142

Seatpost

Race Face Turbine R (by Fox) Dropper 30.9mm | XS - SM = 125mm | MD = 150mm | LG - XL = 175mm

Fox Transfer Factory Series 30.9mm | XS - SM = 125mm | MD = 150mm | LG = 175mm | XL = 200mm

Wheels & tires

Hubs

Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 350 Boost 148mm

Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 350 Boost 148mm | 36T Star-Ratchet

Rims

Race Face ARC Carbon 31 / Tubeless Ready - Tape / Valves Incl

Race Face ARC Carbon 31 | 32H | Tubeless Ready - Tape / Valves Incl

Spokes

DT Swiss Competition 2.0/1.8/2.0

Front tire

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

Wheel size

29"; 27.5"

27.5"; 29"

Geometry comparison

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 90	2023 Rocky Mountain Instinct Carbon 90
Selected size / position	LG · 29″ · POS.7	LG · 29″ · POS.7
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

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 7, 2026.