Rocky Mountain Thunderbolt Carbon 70 2020

Bike details

Overview

Key information split into simple groups.

Bike summary

Category
- Mountain
- |
- Trail
Frame Carbon
Wheels 27.5" / 26"
Travel Front 140mm
Travel Rear 140mm
Fork Fox Performance Elite Float 34
Groupset XT, Race Face
Suspension Full
Brakes Hydraulic Disc

Parts list

Components

Main components, grouped by system.

Bike components

Frame

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

Suspension Fork

Fox 34 Float Performance Elite 140mm 37mm Offset

Rear Shock

Fox Float DPS EVOL Performance Elite

Drivetrain

Rear Derailleur

Shimano XT

Shift Levers

Shimano XT

Cassette

Shimano XT 10-51T

Crank

Race Face Aeffect Cinch 34T

Bottom Bracket

Shimano SM-BB71

Chain

Shimano HG8100

Wheels

Front Hub

Rocky Mountain Sealed Boost 15mm

Rear Hub

DT Swiss 370 Boost 148mm

Rims

Race Face ARC 30

Spokes

DT Swiss Competition 2.0/1.8/2.0

Tires

Maxxis Minion DHR II WT Maxx Terra 3C Tubeless Ready 27.5 x 2.4 / Maxxis Minion DHR II WT Maxx Terra 3C Tubeless Ready 27.5 x 2.4

Brakes

Shimano XT 2 Piston / Shimano RT66 180mm / Shimano RT66 180mm

Brake Levers

Shimano XT

Cockpit

Stem

Rocky Mountain 35 AM

Handlebar

Race Face Turbine R 780mm

Grips

Rocky Mountain Lock On XC

Headset

FSA Orbit NO.57E

Seat

Saddle

WTB Volt Race 142

Seatpost

Race Face Turbine R (by Fox) Dropper 30.9mm

Fit data

Geometry

Numbers for sizing and ride feel.

Size	XS Steep	XS Steep	XS Slack	XS Slack	SM Steep	SM Steep	SM Slack	SM Slack	MD Steep	MD Steep	MD Slack	MD Slack	LG Steep	LG Steep	LG Slack	LG Slack	XL Steep	XL Steep	XL Slack	XL Slack
Stack Reach Ratio	1.46 mm	1.48 mm	1.52 mm	1.55 mm	1.39 mm	1.41 mm	1.45 mm	1.47 mm	1.34 mm	1.36 mm	1.39 mm	1.42 mm	1.3 mm	1.31 mm	1.34 mm	1.37 mm	1.25 mm	1.27 mm	1.3 mm	1.32 mm
Bottom Bracket Height	345 mm	337 mm	331 mm	323 mm	345 mm	337 mm	331 mm	323 mm	345 mm	337 mm	331 mm	323 mm	345 mm	337 mm	331 mm	323 mm	345 mm	337 mm	331 mm	323 mm
Front Center	678 mm	682 mm	679 mm	682 mm	710 mm	713 mm	711 mm	714 mm	736 mm	740 mm	737 mm	740 mm	762 mm	766 mm	764 mm	767 mm	795 mm	798 mm	796 mm	799 mm
Rake	44 mm	44 mm	44 mm	44 mm	45 mm	42 mm	44 mm	44 mm	44 mm	43 mm	44 mm	44 mm	44 mm	43 mm	44 mm	43 mm	44 mm	43 mm	43 mm	43 mm
Trail	102 mm	100 mm	111 mm	108 mm	101 mm	103 mm	111 mm	108 mm	102 mm	102 mm	111 mm	108 mm	102 mm	102 mm	111 mm	109 mm	102 mm	102 mm	112 mm	109 mm
Stack	582 mm	585 mm	590 mm	593 mm	591 mm	595 mm	600 mm	603 mm	600 mm	604 mm	609 mm	612 mm	610 mm	613 mm	618 mm	622 mm	623 mm	627 mm	633 mm	636 mm
Reach	399 mm	394 mm	387 mm	382 mm	426 mm	422 mm	415 mm	410 mm	449 mm	444 mm	437 mm	432 mm	471 mm	467 mm	460 mm	455 mm	498 mm	493 mm	486 mm	481 mm
Top Tube Length	552 mm	553 mm	555 mm	556 mm	582 mm	583 mm	585 mm	586 mm	607 mm	608 mm	610 mm	611 mm	632 mm	633 mm	635 mm	636 mm	662 mm	663 mm	665 mm	667 mm
Seat Tube Angle	75.1 °	74.6 °	73.9 °	73.5 °	75.1 °	74.6 °	73.9 °	73.5 °	75.1 °	74.6 °	73.9 °	73.5 °	75.1 °	74.6 °	73.9 °	73.5 °	75.1 °	74.6 °	73.9 °	73.5 °
Seat Tube Length	356 mm	356 mm	356 mm	356 mm	394 mm	394 mm	394 mm	394 mm	432 mm	432 mm	432 mm	432 mm	471 mm	471 mm	471 mm	471 mm	509 mm	509 mm	509 mm	509 mm
Head Tube Angle	67.1 °	66.6 °	65.9 °	65.5 °	67.1 °	66.6 °	65.9 °	65.5 °	67.1 °	66.6 °	65.9 °	65.5 °	67.1 °	66.6 °	65.9 °	65.5 °	67.1 °	66.6 °	65.9 °	65.5 °
Head Tube Length	100 mm	100 mm	100 mm	100 mm	110 mm	110 mm	110 mm	110 mm	120 mm	120 mm	120 mm	120 mm	130 mm	130 mm	130 mm	130 mm	145 mm	145 mm	145 mm	145 mm
Chainstay Length	431 mm	431 mm	433 mm	434 mm	431 mm	431 mm	433 mm	434 mm	431 mm	431 mm	433 mm	434 mm	431 mm	431 mm	433 mm	434 mm	431 mm	431 mm	433 mm	434 mm
Wheelbase	1109 mm	1113 mm	1111 mm	1115 mm	1141 mm	1144 mm	1143 mm	1147 mm	1167 mm	1171 mm	1169 mm	1173 mm	1193 mm	1197 mm	1196 mm	1200 mm	1226 mm	1229 mm	1228 mm	1232 mm
Bottom Bracket Drop	10 mm	6 mm	24 mm	20 mm	10 mm	6 mm	24 mm	20 mm	10 mm	6 mm	24 mm	20 mm	10 mm	6 mm	24 mm	20 mm	10 mm	6 mm	24 mm	20 mm
Standover Height	811 mm	810 mm	806 mm	804 mm	811 mm	810 mm	806 mm	804 mm	811 mm	810 mm	806 mm	804 mm	811 mm	810 mm	806 mm	804 mm	811 mm	810 mm	806 mm	804 mm
Wheels	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"	27"	26"

Model Overview

Thunderbolt Carbon 70 completes the Rockymountain Thunderbolt model. Rocky Mountain released 53 bikes variations of this model so far. Check out the entire range from 2020 of this model, by clicking this link.

Model range prices

Rocky Mountain Thunderbolt Alloy 10 2020 is the cheapest bike model and costs 2099$. Rocky Mountain Thunderbolt Carbon 90 2020 is the most expensive one and costs 6899$.

Safety

Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.

Average price for Trail bikes

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. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.

This bike was released in 2020 and its price was 5299$. Comparing the average cost of a Trail bike to this one, you will see that Thunderbolt Carbon 70 price is 91.85% more expensive.

Average weight for Trail bikes

Trail bikes have an average weight of 12.98 kg (28.62 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.

Rocky Mountain Thunderbolt Carbon 70 it’s weighing 13 kg (28.66 lbs). At this weight, is slightly heavier than average. In conclusion, the average Trail bike weighs 0.15% less than Thunderbolt Carbon 70.

Internal Cable Routing

Another thing to mention, is the internal cable routing of this bike. In conclusion, this helps you too, keep the bike cables in mint condition, and also it looks better. No more cables, surrounding the bike.

Thunderbolt Carbon 70 components

Fork

Rocky Mountain Thunderbolt Carbon 70 2020 bike is equipped with the Fox Performance Elite Float 34 fork, and has 140mm travel. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In short, you should always ensure you have a good fork when purchasing a bike.

Rear Shock

From the factory, it comes with the Fox Float DPS EVOL Performance Elite rear shock model, which has a travel of 140mm. Rear shocks improve riding comfort and give you greater control over all terrains. In short, if you want smooth rides, get a full-suspension bicycle.

Wheels

The Thunderbolt Carbon 70 2020 bike is equipped with 27.5″ aluminum wheels when leaving the factory. These wheels will provide you with more control over the bike. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.

Brakes

Stopping the bike when needed, it’s essential for your safety. This bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.

Dropper post

Rocky Mountain Thunderbolt Carbon 70 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.

Model years

Rocky Mountain Thunderbolt Carbon 70 2020

Key information split into simple groups.

Bike summary

Main components, grouped by system.

Bike components

Frame

Frame

Suspension Fork

Rear Shock

Drivetrain

Rear Derailleur

Shift Levers

Cassette

Crank

Bottom Bracket

Chain

Wheels

Front Hub

Rear Hub

Rims

Spokes

Tires

Brakes

Brakes

Brake Levers

Cockpit

Stem

Handlebar

Grips

Headset

Seat

Saddle

Seatpost

Numbers for sizing and ride feel.

Model Overview

Model range prices

Safety

Average price for Trail bikes

Average weight for Trail bikes

Internal Cable Routing

Thunderbolt Carbon 70 components

Fork

Rear Shock

Wheels

Brakes

Dropper post

Related bike families.