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2018 Rocky Mountain

Instinct Alloy 70

A 29″ / 27.5″ aluminum frame full suspension trail bike with high-end components.
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Manufacturer Price

$4,199
FrameAluminum
SuspensionFull, 140 / 140mm
ForkFox Performance Elite Float 34
ShockFox Float DPS Performance Elite
Wheels29″ / 27.5″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle, Truvativ Stylo
BrakesSRAM Guide R Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Instinct Alloy 70
Other Trail bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

26 mph

Instinct Alloy 70

26 mph

Similar Bikes

Highest gear

(descending)

Reviews

Summary

The Rocky Mountain Instinct is a versatile enduro bike praised for its refined suspension kinematics and Ride-9 adjustable geometry system, making it adaptable to various riding styles. It excels in both climbing and descending, with a stable and capable performance on technical trails. However, some reviews note limitations in brake power and bottom-bracket height in slacker settings.

Pros
  • Versatile and adaptable to various riding styles

  • Refined suspension kinematics for more progressiveness

  • Ride-9 adjustable geometry system

  • Stable and capable descender

  • Good small-bump compliance

Cons
  • Guide R brakes lack power and adjustability

  • Bottom-bracket height can be limiting in slacker settings

  • Stock shock tune may be limiting for some preferences

Key Quotes
Is it a backcountry scree-slope raider? Is it a big-wheel play bike, a slack-angled couch, a relaxed-fit trail carver, a long-legged marathon racer? Yes.
BIKE Magazine logoBIKE Magazine
The new Instinct is—swift.
Bikerumor logoBikerumor
While the B.C. is the burlier of the Instinct models, in relation to other long-travel 29ers it’s still an all-dayer rather than an all-slayer
BikeRadar logoBikeRadar

Feedback?

View all reviews

Velo
Review: Rocky Mountain Instinct C70

Sep 2019 · Dan Cavallari

With adjustable geometry and the ability to run 29 or 27.5 inch wheels, the Instinct C70 offers one-bike-stable versatility

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MBR
Rocky Mountain Instinct Carbon 90 BC Edition: first ride - MBR

Feb 2019 · James Bracey

The Rocky Mountain Instinct trail bike gets a big-travel makeover worthy of its North Shore Inspiration with the Carbon 90 BC Edition.

Highs
  • Lively ride characteristic.

  • At home on steep, technical trails both up and down.

  • Most of the geometry is completely dialled.

Lows
  • Tall bottom bracket height.

Read Review

BikeRadar
Rocky Mountain Instinct Carbon 90 BC Edition first ride review

Aug 2018 · Guy Kesteven

Although the shock is fixed in what would be the lowest and slackest position on the standard bike, the extra travel means a very tall 350mm bottom bracket (18mm higher than on the non-BC Instinct). . .

Read Review

MTBR
Rocky Mountain Instinct Alloy 50 BC Edition released

Aug 2018 · Jordan Villella

The Rocky Mountain Instinct Alloy 50 BC edition is the latest offering from the North Vancouver-based bike maker. It’s designed to shred the gnar — and do a reasonable job when the trail turns skyward. - Mtbr.com

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BIKE Magazine
Rocky Mountain Introduces Alloy Instinct BC

Aug 2018

Usually reserved for its top-end carbon models, Rocky Mountain just gave the BC treatment to its alloy outback 29er, the Instinct. Have a look at what $3,700 can get you.

Read Review

Mountain Bike Action
Review - Rocky Mountain Instinct Carbon 70

Jun 2018 · McCoy

Rocky Mountain’s R&D facility is nestled at the foot of Vancouver’s North Shore Mountains, home to some of the most well-known trails in the world.

Read Review

Bikerumor
Review: 2018 Rocky Mountain Instinct Carbon 70 mountain bike blends XC and Trail

Mar 2018 · Christophe Noel

With refresh in the middle of last year, the 2018 Rocky Mountain Instinct Trail 29er keeps its XC pacing but ups the technical capability. The result is a fast, nimble bike ready for rougher trails. Our full review explains what's changed, and why the updates were a good thing...

Read Review

Dirt Mountainbike
ROCKY MOUNTAIN INSTINCT BC 29 - DIRTY DOZEN

Feb 2018 · Ieuan Williams

A Canadian answer to all things 29

Read Review

Geometry
Specs
Build
Frame

FORM™ Alloy. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry + Suspension Rate

BB StandardBB86/BB92, Press Fit

Fork

Fox 34 Float Performance Elite 140mm

Travel140mm

Spring TypeAir

Shock

Fox Float DPS EVOL Performance Elite

Travel140mm

Bottom Bracket

SRAM GXP BB92

Headset

FSA Orbit NO.57E

Stem

Rocky Mountain 35 AM

Handlebar

Race Face Turbine R 780mm

Saddle

WTB Silverado Race

Seatpost

Fox Transfer Performance Elite 30.9mm

TypeDropper

Grips

Rocky Mountain Lock On XC

Groupset
Rear Derailleur

SRAM GX Eagle

Front Derailleur

Rocky Mountain Spirit Guide

Crank

SRAM Stylo 7k Eagle 32T

Shifters

SRAM GX Eagle

Cassette

SRAM XG-1275 10-50T

Chain

SRAM GX Eagle

Brakes

SRAM Guide R

TypeSRAM Guide R Hydraulic Disc

Wheels
Rims

Sun Düroc 30 Tubeless Ready - Tape | Valves Incl

Spokes

WTB 1.8-1.6

Front Hub

Rocky Mountain Sealed Boost 15mm

Rear Hub

SRAM MTH 746 Boost 148mm

Tires

Maxxis Minion DHR II EXO Tubeless Ready 29 x 2.3 / Maxxis Forekaster EXO Tubeless Ready 29 x 2.35

Rider Notes
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First added September 9

Last updated April 14

Not listed for 1,880 days