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Today’s DealsInstinct C Frameset
A 27.5″ / 29″ carbon frame full suspension trail frameset.
Manufacturer Price
$3,899| Weight | 6.8 lbs (frame) |
|---|---|
| Frame | Carbon |
| Suspension | Full, 140mm rear |
| Shock | Fox Float X Factory |
| Wheels | 27.5″ / 29″ |
5'1" – 5'5"
5'4" – 5'9"
5'7" – 6'0"
5'10" – 6'3"
6'0" – 6'5"
🐐 Estimated
None yet.
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Summary
The Rocky Mountain Instinct is a versatile enduro bike praised for its adjustable geometry, refined suspension kinematics, and confident handling on technical terrain. It offers a wide range of customization options, including the Ride-4 system and reach adjust headset, making it suitable for varied riding styles. However, some reviews note issues with stock shock tuning and component choices like under-powered brakes and a press-fit bottom bracket.
Wide range of geometry adjustments
Refined frame geometry and suspension kinematics
More adjustability to suit varied terrain or riding styles
Versatile and confident bike in most terrain
Excellent suspension performance
Under-powered brakes and fork
Shock tune not to reviewers' liking
Press fit BB92 bottom bracket may not be preferred by all
Hubs could be better
Not the most inspiring climber
Rocky Mountain Bikes’ Instinct has always been an ideal choice for a do-it-all trail bike
The new Instinct is RMB’s most adjustable MTB yet
It was intuitive and confidence inspiring.
This is a borderline enduro bike, but one I’d be happy to own for just about everything.
Bike riding happens in the real world, and that's where the Instinct loses its edge.Pinkbike
Feedback?
View all reviews
Sep 2024
The Rocky Mountain Instinct A10 offers great adjustability and ride quality but falls short in component quality for its price.
Wide range of geometry adjustments
Fun and intuitive on-trail demeanor
Under-powered brakes and fork
Heavy (size large weighed 36.2 lbs)

Jul 2025 · Ron Koch
We test the 2025 Rocky Mountain Instinct C70 Shimano—an adjustable 150/140mm trail bike built for versatility, stability, and confident descending.

Nov 2024 · Henry Quinney
Three shocks and a whole bunch of laps to try to improve the Instinct.
Excellent geometry
Great features
Impressive weight
Heightened support with compression tune CS50
Shock tune not to liking for most testers
Requires re-valve for ideal performance
Difficult to access latter travel with stiffer spring

Oct 2024
The new Instinct Powerplay SL packs a punch in a lightweight package. Powered by the all-new Dyname S4 Lite drive system.
Mar 2024 · Tim Wild
Rocky Mountain Instinct at a glance: longer chainstays, steeper seat angle, longer dropper posts plus adjustable reach and chainstay length.

Mar 2024 · Steve Fisher
Rocky Mountain refines the Instinct into their 'holy grail' do-everything trail bike, adding a reach adjust headset for 2024.

Mar 2024
Rocky's super-capable trail bike sees updates and refinements to frame features, geo, and suspension kinematics. We've got a first look and details.
Mar 2024 · Matt Miller
The latest Rocky Mountain Instinct trail bike is a versatile, do-everything bike and technical trail smashers will love it most.
Versatile and confident bike in most terrain
Stiff carbon frame holds its line
Exceptional suspension performance
Hubs could be better
Not the most inspiring climber
| Frame | 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 Color: Grey / Beige |
|---|---|
| Shock | Fox Float X Factory | Sealed Bearing Eyelet | 20x8mm F Hardware | XS - SM = 190x45mm | MD - LG - XL = 210x52.5mm | MD - LG - XL = 210x52.5mm | Size-Specific tune in FAQ Travel: 140mm |
| Headset | 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 |
First added March 6
Last updated June 1