Rocky Mountain Thunderbolt 770 MSL 2015
Bike details
Key information split into simple groups.
Bike summary
-
-
Frame Carbon
-
Wheels 27.5"
-
Travel Front 120mm
-
Travel Rear 120mm
-
Fork Fox Float 32
-
Groupset XTR, Race Face
-
Suspension Full
-
Drivetrain 2 × 10
-
Brakes Hydraulic Disc
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
SMOOTHWALL™ Carbon. Pipelock™ Main Pivot + BC2™ & ABC™ Bushings. Tapered Head Tube. Press Fit BB. RIDE-9™ Adjustable Geometry & Suspension Rate. Di2 Ready.
Suspension Fork
Fox 32 Float 27.5 120 FIT CTD. 120mm. FIT Damper / Rebound / Climb (Lockout) - Trail (Compression) - Descend (Open) Settings / 15mm Axle / Tapered Steerer
Rear Shock
Fox Float Remote CTD Custom Race Valved. SmoothLink™ Design 120mm. Rebound / Remote Climb (Lockout) - Trail (ProPedal) - Descend (Open) Settings / Adjustable Suspension Rate
Drivetrain
Rear Derailleur
Shimano XTR Shadow Plus Direct Mount 10spd
Front Derailleur
Shimano XT E Mount 2x10spd
Shift Levers
Shimano XT Rapid Fire I-Spec 2x10spd
Cassette
Shimano XT 11-36T 10spd
Crank
Race Face Turbine Cinch 170-175mm 38/24T 2x10spd
Bottom Bracket
Race Face Cinch 30mm BB92 Press Fit
Chain
Shimano HG95 10spd
Pedals
N/A
Wheels
Front Hub
Shimano XT / Centerlock / 32H / 15mm Axle
Rear Hub
Shimano XT / Centerlock / 32H / 12 x 142mm Axle
Rims
Stan\'s ZTR Crest Tubeless Ready
Spokes
DT Swiss Competition
Tires
Maxxis Folding F: Ardent 27.5\" x 2.25\" R: Ardent Race 27.5\" x 2.2\"
Brakes
Brakes
Shimano XT Hydraulic Disc 180mm
Brake Levers
Shimano XT I-Spec Shifter Mount
Cockpit
Stem
Race Face Turbine 35mm 6° x 60-80mm
Handlebar
Race Face Turbine 1/2 Rise Ø35mm x 740mm x 9° Sweep
Grips
Rocky Mountain Lock On XC
Headset
Cane Creek Forty Series: IS42mm Top / 52mm Bottom Tapered
Seat
Saddle
WTB Silverado Race
Seatpost
RockShox Reverb Stealth 30.9mm x 355-420mm
Fit data
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.45 mm | 1.39 mm | 1.34 mm | 1.29 mm | 1.25 mm |
| Bottom Bracket Height | 330 mm | 330 mm | 330 mm | 330 mm | 330 mm |
| Front Center | 652 mm | 679 mm | 705 mm | 731 mm | 763 mm |
| Rake | 53 mm | 54 mm | 54 mm | 53 mm | 53 mm |
| Trail | 92 mm | 91 mm | 91 mm | 92 mm | 92 mm |
| Stack | 542 mm | 551 mm | 560 mm | 570 mm | 584 mm |
| Reach | 374 mm | 396 mm | 418 mm | 441 mm | 467 mm |
| Top Tube Length | 538 mm | 563 mm | 588 mm | 613 mm | 643 mm |
| Seat Tube Angle | 73.7 ° | 73.7 ° | 73.7 ° | 73.7 ° | 73.7 ° |
| Seat Tube Length | 381 mm | 419 mm | 457 mm | 483 mm | 521 mm |
| Head Tube Angle | 67.2 ° | 67.2 ° | 67.2 ° | 67.2 ° | 67.2 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm | 130 mm | 145 mm |
| Chainstay Length | 420 mm | 420 mm | 420 mm | 420 mm | 420 mm |
| Wheelbase | 1071 mm | 1098 mm | 1124 mm | 1150 mm | 1182 mm |
| Bottom Bracket Drop | 25 mm | 25 mm | 25 mm | 25 mm | 25 mm |
| Standover Height | 694 mm | 694 mm | 694 mm | 694 mm | 694 mm |
| Wheels | 27" | 27" | 27" | 27" | 27" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
Thunderbolt 770 MSL completes the Rockymountain Thunderbolt model. 53 bikes variations carry this model name so far. You can easily view all of the Rockymountain Thunderbolt bikes models from 2015, here.
Model range prices
Rocky Mountain Thunderbolt 710 2015 is the most economical model, with a starting price of 1999$. Rocky Mountain Thunderbolt 799 MSL 2015 on the other hand costs 10999$, and is the most expensive model.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Trail bikes average price
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, you could also get a good Trail bike even if you pay a lower amount than the average price. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
When Rocky Mountain released this model in 2015, its price was 5499$. Comparing this to the average Trail bike price, we see that the price is 99.09% more expensive.
Thunderbolt 770 MSL components
Fork
The Fox Float 32 is included from the factory. It has a travel distance of 120mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In conclusion, always look for a fork with decent travel when you buy a bike.
Rear Shock
As for the rear shock, this bike has the Fox Float Remote CTD Custom Race model, with a travel of 120mm. Rear shocks offer better comfort, better traction, and better cornering. This allows for quicker riding on rough roads and trails. In conclusion, to increase your riding experience, get a bike with a rear shock if possible.
Wheels size
When leaving the production line, the Thunderbolt 770 MSL model has 27.5″ aluminum wheels. These wheels will provide you with more control over the bike. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Thunderbolt 770 MSL comes with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.
Dropper post
Rocky Mountain Thunderbolt 770 MSL comes with a dropper post. If you are a technical rider, a dropper post is essential. A dropper post provides increased safety while riding. The lever system, allows you to move your saddle up and down, which is very useful on climbs and descends.
