Instinct Carbon 90
Overview
Intended use: Trail
Rear travel: 140
Description
Rider support
5 years warranty, transferable to second owners
We believe in our products, that's why we offer 5-year warranty on our frames, extended to second owners. Learn more
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It’s now possible for riders to purchase a bike directly through Bikes.com and collect it at an authorized Rocky Mountain dealer.
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Specifications
Geometry
Wheel size
RIDE-9/4 POSITION
RIDE-9/4 POSITION
View from drive side
| sm | md | lg | xl | |
|---|---|---|---|---|
| Top Tube Horizontal (mm) | 572 | 621 | 640 | 649 |
| Head Tube Angle (deg) | 63.5 | 63.5 | 63.5 | 63.5 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 76.5 | 76.5 | 76.5 | 76.5 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 44 | 44 | 44 | 44 |
| Reach (mm) | 423 | 449 | 474 | 504 |
| Stack (mm) | 572 | 599 | 628 | 659 |
| Standover Height (mm) | 760 | 798 | 796 | 792 |
| Wheelbase (mm) | 1198 | 1227 | 1259 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| sm | md | lg | xl | |
|---|---|---|---|---|
| Top Tube Horizontal (mm) | 572 | 622 | 638 | 644 |
| Head Tube Angle (deg) | 63.7 | 63.7 | 63.7 | 63.7 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 76.7 | 76.7 | 76.7 | 76.7 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 40 | 40 | 40 | 40 |
| Reach (mm) | 427 | 452 | 477 | 507 |
| Stack (mm) | 572 | 599 | 628 | 659 |
| Standover Height (mm) | 762 | 799 | 798 | 794 |
| Wheelbase (mm) | 1198 | 1227 | 1259 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| sm | md | lg | xl | |
|---|---|---|---|---|
| Top Tube Horizontal (mm) | 572 | 622 | 636 | 645 |
| Head Tube Angle (deg) | 64 | 64 | 64 | 64 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 77 | 77 | 77 | 77 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 36 | 36 | 36 | 36 |
| Reach (mm) | 430 | 455 | 480 | 510 |
| Stack (mm) | 572 | 599 | 627 | 659 |
| Standover Height (mm) | 763 | 794 | 799 | 796 |
| Wheelbase (mm) | 1198 | 1227 | 1258 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| sm | md | lg | xl | |
|---|---|---|---|---|
| Top Tube Horizontal (mm) | 571 | 623 | 634 | 645 |
| Head Tube Angle (deg) | 64.3 | 64.3 | 64.3 | 64.3 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 77.3 | 77.3 | 77.3 | 77.3 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 32 | 32 | 32 | 32 |
| Reach (mm) | 437 | 458 | 483 | 513 |
| Stack (mm) | 571 | 599 | 626 | 659 |
| Standover Height (mm) | 765 | 801 | 800 | 798 |
| Wheelbase (mm) | 1197 | 1227 | 1258 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 572 | 621 | 640 | 649 |
| Head Tube Angle (deg) | 63.5 | 63.5 | 63.5 | 63.5 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 76.5 | 76.5 | 76.5 | 76.5 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 44 | 44 | 44 | 44 |
| Reach (mm) | 423 | 449 | 474 | 504 |
| Stack (mm) | 572 | 599 | 628 | 659 |
| Standover Height (mm) | 760 | 798 | 796 | 792 |
| Wheelbase (mm) | 1198 | 1227 | 1259 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 572 | 622 | 638 | 644 |
| Head Tube Angle (deg) | 63.7 | 63.7 | 63.7 | 63.7 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 76.7 | 76.7 | 76.7 | 76.7 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 40 | 40 | 40 | 40 |
| Reach (mm) | 427 | 452 | 477 | 507 |
| Stack (mm) | 572 | 599 | 628 | 659 |
| Standover Height (mm) | 762 | 799 | 798 | 794 |
| Wheelbase (mm) | 1198 | 1227 | 1259 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 572 | 622 | 636 | 645 |
| Head Tube Angle (deg) | 64 | 64 | 64 | 64 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 77 | 77 | 77 | 77 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 36 | 36 | 36 | 36 |
| Reach (mm) | 430 | 455 | 480 | 510 |
| Stack (mm) | 572 | 599 | 627 | 659 |
| Standover Height (mm) | 763 | 794 | 799 | 796 |
| Wheelbase (mm) | 1198 | 1227 | 1258 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 571 | 623 | 634 | 645 |
| Head Tube Angle (deg) | 64.3 | 64.3 | 64.3 | 64.3 |
| Head Tube Length (mm) | 100 | 110 | 125 | 135 |
| Seat Tube Angle (deg) | 77.3 | 77.3 | 77.3 | 77.3 |
| Seat Tube Length (mm) | 365 | 410 | 440 | 470 |
| Rear Centre (mm) | 440 - 450 | 440 - 450 | 440 - 450 | 440 - 450 |
| Bottom Bracket Drop (mm) | 32 | 32 | 32 | 32 |
| Reach (mm) | 437 | 458 | 483 | 513 |
| Stack (mm) | 571 | 599 | 626 | 659 |
| Standover Height (mm) | 765 | 801 | 800 | 798 |
| Wheelbase (mm) | 1197 | 1227 | 1258 | 1293 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| xs | sm | |
|---|---|---|
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 63.5 | 63.5 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 76.5 | 76.5 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 27 | 27 |
| Reach (mm) | 398 | 423 |
| Stack (mm) | 585 | 594 |
| Standover Height (mm) | 757 | 753 |
| Wheelbase (mm) | 1150 | 1179 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| xs | sm | |
|---|---|---|
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 63.7 | 63.7 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 76.7 | 76.7 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 26 | 26 |
| Reach (mm) | 399 | 424 |
| Stack (mm) | 584 | 593 |
| Standover Height (mm) | 757 | 753 |
| Wheelbase (mm) | 1150 | 1179 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| xs | sm | |
|---|---|---|
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 64 | 64 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 77 | 77 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 19 | 19 |
| Reach (mm) | 405 | 430 |
| Stack (mm) | 582 | 591 |
| Standover Height (mm) | 759 | 756 |
| Wheelbase (mm) | 1149 | 1178 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| xs | sm | |
|---|---|---|
| Top Tube Horizontal (mm) | 539 | 567 |
| Head Tube Angle (deg) | 64.3 | 64.3 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 77.3 | 77.3 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 15 | 15 |
| Reach (mm) | 408 | 433 |
| Stack (mm) | 582 | 591 |
| Standover Height (mm) | 760 | 757 |
| Wheelbase (mm) | 1148 | 1177 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 63.5 | 63.5 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 76.5 | 76.5 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 27 | 27 |
| Reach (mm) | 398 | 423 |
| Stack (mm) | 585 | 594 |
| Standover Height (mm) | 757 | 753 |
| Wheelbase (mm) | 1150 | 1179 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 63.7 | 63.7 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 76.7 | 76.7 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 26 | 26 |
| Reach (mm) | 399 | 424 |
| Stack (mm) | 584 | 593 |
| Standover Height (mm) | 757 | 753 |
| Wheelbase (mm) | 1150 | 1179 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 540 | 567 |
| Head Tube Angle (deg) | 64 | 64 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 77 | 77 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 19 | 19 |
| Reach (mm) | 405 | 430 |
| Stack (mm) | 582 | 591 |
| Standover Height (mm) | 759 | 756 |
| Wheelbase (mm) | 1149 | 1178 |
Standover height is measured 200 mm in front of the bottom bracket.
View from drive side
| Top Tube Horizontal (mm) | 539 | 567 |
| Head Tube Angle (deg) | 64.3 | 64.3 |
| Head Tube Length (mm) | 100 | 110 |
| Seat Tube Angle (deg) | 77.3 | 77.3 |
| Seat Tube Length (mm) | 355 | 365 |
| Rear Centre (mm) | 430 - 440 | 430 - 440 |
| Bottom Bracket Drop (mm) | 15 | 15 |
| Reach (mm) | 408 | 433 |
| Stack (mm) | 582 | 591 |
| Standover Height (mm) | 760 | 757 |
| Wheelbase (mm) | 1148 | 1177 |
Standover height is measured 200 mm in front of the bottom bracket.
Sizing chart
These figures are a rough guide only. Rider proportions, riding style, and personal preferences all factor in choosing the correct bike size. Rocky Mountain always recommends test riding and professional bike fitting at an authorized dealer.
Frame Size
Features and technologies
RIDE-4™ adjustment system
The RIDE-4 adjustment system allows riders to quickly fine-tune their geometry with a single Allen key. Four configurations are possible thanks to one rotating chip.
Reach adjust headsets
Fine tune your ride with center, +/- 5mm offset options.
PenaltyBox™ 2.0
The new PenaltyBox™ 2.0 downtube storage (carbon models only) includes generous capacity, custom tool wrap and our rock-solid hinged door system that doubles down as a water bottle mount and built-in concealed AirTag/Tile compartment.
Size Specific Tune
Size Specific Tune ensures that riders of all sizes get the right balance of small-bump compliance, mid-stroke support, and end-stroke progressiveness. Our design team does custom shock tunes based on real world field testing, and adjusts each tune for specific frame sizes.
Two-position axle
The two-position axle allows the rider to choose a short or long rear-center length that suits their personal preferences.
SMOOTHWALL™ Carbon
Smoothwall carbon uses one of the world’s most sophisticated carbon processes to deliver industry leading stiffness-to-weight, ride quality, and durability.
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Compatible parts
FAQs
What are the suspension setup recommendations?
Shock Sag: We recommend approximately 30–35% sag for this platform.
Fork Sag: We recommend approximately 15–20% sag for this platform.
Information on how to set up the suspension for the Instinct can be found in the technical manuals.
What are the shock sizing and hardware of the Instinct?
On all 2024 Instinct models, the forward shock hardware is a 20mm x 8mm ID pin and reducers.
What is the seatpost diameter?
Both the Alloy and Carbon versions of the Instinct require a 30.9mm diameter seat post.
What is the Instinct rear axle size?
The Instinct uses a 12mm x 148mm rear hub. The total axle length is 173mm, with a 1.0 thread pitch.
What is the maximum seatpost insertion for the Instinct?
Dropper post length is dependent on a few factors; the first being your saddle height and the second being the maximum seatpost insertion depth which you’ll find in the user manual.
What is the maximum recommended fork length for the Instinct?
The Instinct is compatible with forks up to 160mm in travel.
What is the chainline and chain length of my Instinct?
Instinct 27.5" wheels: 27.5" | XS - SM = 32T | 116L
Instinct 29" wheels: 29" | SM - MD - LG - XL = 32T | 118L
What is the minimum and maximum chainring size?
The minimum is 30 and the maximum is 34T.
What is the headset size of my Instinct?
Instinct Carbon: No.85-1 0mm Offset Headset, complete
Instinct Alloy: RMB ZS56|66 0mm Offset Headset, complete
Can I adjust the headset reach?
Yes, all frames are equipped with reach adjust headsets to fine tune the reach with 3 positions (short, center, long).
What is the fork offset for the Instinct?
Instinct 27.5" wheels: 37mm offset | Instinct 29" wheels: 44mm offset
What is the bottom bracket size for my Instinct?
Tthe bottom bracket shell is 92mm wide with a 41mm diameter shell (Press Fit BB92).
