2021 Rocky Mountain Instinct Carbon 70
The 2021 Rocky Mountain Instinct Carbon 70 Bike is the best mountain bikes for sale and shares the same frame platform as Rocky Mountain’s enduro racer, the Altitude. Accordingly, the elegant and well-thought-out carbon frame was developed for rowdy trail riding. Using a different shock mount than the Altitude, the Horst-link suspension of the Instinct generates 140 mm travel, complemented by 150 mm travel up front. Closer inspection reveals incredibly well-thought-out frame details, which give the 14.2 kg Instinct a discreet and elegant look. A huge TPU plate on the down tube protects the frame from stray rocks and prevents scuffs to the paint when you throw your bike on the back of a pickup.
A small plastic fender protects the rear end from flying debris while a reasonably-sized seat and chainstay protector prevents scratches and paint chips while keeping the noise down. Moreover, a minimalist chain guide keeps the chain secure. Nevertheless, the Instinct isn’t completely quiet, because the cables rattle inside the frame on rough descents. The high-quality paint job is visually pleasing, rounded off with charming details like the subtle Canadian maple leaf on the top tube which only reveals itself after a second glance. Unfortunately, the beautiful look is short-lived. Shoes and knee pads rub off the delicate paint on the chainstays and top tube in no time. Here, other manufacturers like Nukeproof are way ahead, delivering their bikes with high-quality frame protection as standard.
Specifications
| Product | Rocky Mountain Instinct Carbon 70 Bike |
|---|---|
| Model Year | 2021 |
| Riding Type | Trail, Enduro / All-Mountain |
| Rider | Unisex |
| Sizes and Geometry |
XS (27.5″), S (27.5″), S (29″), M (29″), L (29″), XL (29″)Â View Geometry
|
| Wheel Size | 27.5″ (650b), 29″ |
| Frame Material | Carbon Fiber |
| Frame Material Details | Smoothwall Carbon |
| Rear Travel | 140mm |
| Rear Shock | FOX FLOAT DPX2 Performance Elite, Sealed Bearing Eyelet, 190 x 45mm (27.5″ XS-M), 210 x 52.5mm (29″ M-XL) |
| Fork | FOX 36 FLOAT EVOL FIT4 Performance Elite Series, 37mm Offset (27.5″), 44mm Offset (29″) |
| Fork Travel | 150mm |
| Head Tube Diameter | Tapered |
| Headset | FSA Orbit NO.57E |
| Handlebar | Race Face Turbine R, 780mm |
| Stem | Rocky Mountain 35 AM, 40mm |
| Grips | Ergon GE1 EVO Lock-On |
| Brakes | Shimano XT Trail 4-Piston with 180mm Shimano RT66 Rotors |
| Brake Levers | Shimano XT Trail |
| Drivetrain | 1x |
| Shifters | Shimano XT |
| Front Derailleur | N/A |
| Rear Derailleur | Shimano XT |
| ISCG Tabs | 2-Bolt ISCG 05 |
| Chainguide | OneUp Components V2 Top Guide |
| Cranks | Shimano XT |
| Chainrings | 34 Tooth (27.5″), 32 Tooth (29″) |
| Bottom Bracket | Shimano SM-BB71, Press-Fit |
| Pedals | N/A |
| Chain | Shimano M8100 |
| Cassette | Shimano XT 10-51 Tooth |
| Rims | Race Face AR 30, Tubeless Ready (Tape and Valves Included) |
| Hubs | Front: Rocky Mountain Sealed Boost 15mm Rear: DT Swiss 370 Boost 148mm |
| Spokes | DT Swiss Competition 2.0/1.8/2.0 |
| Tires | Front: Maxxis Minion DHF 2.5″ WT/3C MaxxTerra/EXO+/TR Rear: Maxxis Minion DHR II 2.4″ WT/3C MaxxTerra/EXO+/TR |
| Saddle | WTB Volt Race 142 |
| Seatpost | Race Face Turbine R Dropper (by FOX) Travel: 125mm (XS-S), 150mm (M), 175mm (L-XL) |
| Seatpost Diameter | 30.9mm |
| Seatpost Clamp | Standard single bolt |
| Rear Dropout / Hub Dimensions | 148 x 12mm Boost |
| Max. Tire Size | 27.5″ x 2.6″, 29″ x 2.6″ |
| Bottle Cage Mounts | Yes |
| Colors | Violet Hills (Gloss)/Enter Sandman (Matte)/Black Dog (Gloss) Ice Ice Baby (Gloss)/UD Carbon (Matte)/Black Dog (Gloss) |
| Warranty | 5 years frame; 1 year paint, decals, and frame hardware |
| Weight |
|
| Miscellaneous | Size-specific tunes and wheel sizes
Six frame sizes from extra-small to extra-large, with the size small available in two distinct frames to accommodate either 27.5″ or 29″ wheels RIDE-9 geometry system allows for fine-tuning the geometry and suspension between nine configurations with a pair of Allen keys and two interlocking chips Long and Short chainstay positions (10mm adjustment) for choice between high-speed stability or playfulness Internal cable guides (carbon models) and large ports (alloy models) Downtube protection, noise-canceling chainstay protection, “Canadian Shield” yoke protection, and downtube shuttle guard Rocky Mountain “Canadarm” mount with OneUp Components V2 Top Guide Modular shock mount (carbon models) allows for future suspension kinematic updates Full sealed cartridge bearings, dual bearings at the chainstay and seatstay Smoothlink suspension, four-bar suspension design |
| Price | $6,899 |
| More Info | Trail Focused and Ready to Rip – Rocky Mountain’s New Instinct (press release) |
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