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Create an account2021 Rocky Mountain Thunderbolt Alloy 10
* To check in store availability: |
Select variant below then view stock | here |
Fast as lightning!
Quick and nimble, the Thunderbolt is a total livewire. Whether it’s powering up technical climbs or popping off every trail feature in sight, its 27.5” wheels and 140mm of rear travel makes this bike ready and capable for when you’re feeling creative with line choice. The frame is available in FORM alloy, and our RIDE-9 adjustment system gives you the power to further adjust geometry and ride characteristics to your liking
SPECS
- Frame - FORM™ Alloy. Full Sealed Cartridge Bearings. Press Fit BB92. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry + Suspension Rate FORM™ Alloy Rear Triangle
- Sizes - XS-SM-MD-LG-XL
- Fork - RockShox Recon Silver RL 150mm | 37mm Offset
- Front Travel - 150mm
- Shock - RockShox Deluxe Select+ | Sealed Bearing Eyelet | 25x8mm F Hardware | 210x55mm | Size-Specific tune in FAQ
- Rear Travel - 140mm
- Headset - FSA Orbit NO.57E | 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
- Stem - Rocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm
- Handlebar - Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 31.8mm Clamp
- Grips - Rocky Mountain Lock On Light
- Brakes - Shimano MT200 2 Piston | Resin Pads | RT30 180mm F Rotor | RT30 180mm R Rotor
- Shifters - Shimano Deore 11spd
- Rear Derailleur - Shimano Deore 11spd
- Cranks & Chainrings - Rocky Mountain Microdrive 2 PC | 32T | 24mm Spindle | 170mm Crank Length
- Bottom Bracket - Rocky Mountain Sealed BB92 - Shimano Compatible
- Cassette - Shimano Deore 11-51T 11spd
- Chain - KMC X11-1
- Front Hub - Shimano MT410 | 15mm Boost
- Rear Hub - Shimano MT400 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
- Spokes - 2.0 Stainless
- Rims - WTB ST i30 TCS 2.0 Tubeless | Tubeless Compatible | 32H
- Tires - F: WTB Trail Boss Comp 27.5 x 2.4 // R: WTB Trail Boss Comp 27.5 x 2.4
- Seatpost - Rocky Mountain Toonie Drop Composite 30.9mm | XS - SM = 125mm | MD - LG = 150mm | XL = 170mm
- Saddle - WTB Volt | Steel Rails | 142mm Width
- Weight - 15.10 KG | 33.2 LBS | Incl. Inner Tubes
GEOMETRY: THUNDERBOLT ALLOY 10
Position 1 (Slack)
XS | S | M | L | XL | |
TTH | 548 | 578 | 603 | 628 | 658 |
HTA | 65.9 | 65.9 | 65.9 | 65.9 | 65.9 |
HTL | 100 | 110 | 120 | 130 | 145 |
STA | 73.9 | 73.9 | 73.9 | 73.9 | 73.9 |
STL | 356 | 394 | 432 | 471 | 509 |
RC | 426 | 426 | 426 | 426 | 426 |
BBD | 24 | 24 | 24 | 24 | 24 |
R | 380 | 408 | 430 | 453 | 479 |
S | 583 | 593 | 602 | 611 | 626 |
*SH | 799 | 799 | 799 | 799 | 799 |
WB | 1,104 | 1,136 | 1,162 | 1,189 | 1,221 |

- TTH: Top Tube Length - HORZ
- HTA: Head Tube Angle
- HTL: Head Tube length
- STA: Seat Tube Angle - Effective
- STL: Seat Tube length
- RC: Rear Centre
- BBD: Bottom bracket drop
- R: Reach
- S: Stack
- *SH: Standover Height
- WB: Wheelbase
*We measure Standover Height 200mm forward from the centre of the bottom bracket. It's measured this way to provide you with the best possible information when looking at frame geometry.
We make every effort to ensure accuracy, but reserve the right to update specifications & prices without notification.