Thunderbolt

Thunderbolt Alloy 30

Quick Specs
  • Designed For Trail
  • F. Travel 140 MM
  • R. Travel 140 MM
  • Wheel Size 27.5" (26+ ready)
  • MSRP $2,599 USD

Fast as lightning!

Quick and nimble, the Thunderbolt is 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 both carbon and alloy, and our RIDE-9 adjustment system gives you the power to further adjust geometry and ride characteristics to your liking.

 

Thunderbolt Alloy 30 7
MSRP $6,899 USD
MSRP $5,299 USD
MSRP $4,599 USD
MSRP $2,799 USD
MSRP $3,399 USD
MSRP $2,599 USD
MSRP $2,099 USD
MSRP $2,799 USD
MSRP $6,899 USD
MSRP $5,299 USD
MSRP $4,599 USD
MSRP $3,399 USD
MSRP $2,599 USD
MSRP $2,099 USD
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Specifications: Thunderbolt Alloy 30

    • Frame SMOOTHWALL Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork Fox 34 Float Factory 140mm 37mm Offset
    • Front Travel 140mm
    • Shock Fox Float DPS EVOL Factory
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain 35 CNC
    • Handlebar Race Face Next R 780mm
    • Grips Rocky Mountain Lock On XC
    • Brakes Shimano XTR 2 Piston / Shimano RT86 180mm / Shimano RT86 180mm
    • Brake Levers Shimano XTR
    • Shifters Shimano XTR
    • Rear Derailleur Shimano XTR
    • Cranks & Chainrings Race Face Next R Cinch 34T
    • Bottom Bracket Race Face BB92 30mm
    • Cassette Shimano XTR 12s 10-51T
    • Chain Shimano XTR 12s
    • Front Hub Rocky Mountain Sealed Boost 15mm
    • Rear Hub DT Swiss 350 Boost 148mm
    • Spokes DT Swiss Competition 2.0/1.8/2.0
    • Rims Race Face ARC 30
    • 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
    • Seatpost Race Face Turbine R (by Fox) Dropper 30.9mm
    • Saddle WTB Volt Race 142
    • Weight 12.43 KG / 27.4 LBS
    • Frame SMOOTHWALL Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork Fox 34 Float Performance Elite 140mm 37mm Offset
    • Front Travel 140mm
    • Shock Fox Float DPS EVOL Performance Elite
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain 35 AM
    • Handlebar Race Face Turbine R 780mm
    • Grips Rocky Mountain Lock On XC
    • Brakes Shimano XT 2 Piston / Shimano RT66 180mm / Shimano RT66 180mm
    • Brake Levers Shimano XT
    • Shifters Shimano XT
    • Rear Derailleur Shimano XT
    • Cranks & Chainrings Race Face Aeffect Cinch 34T
    • Bottom Bracket Shimano SM-BB71
    • Cassette Shimano XT 10-51T
    • Chain Shimano HG8100
    • Front Hub Rocky Mountain Sealed Boost 15mm
    • Rear Hub DT Swiss 370 Boost 148mm
    • Spokes DT Swiss Competition 2.0/1.8/2.0
    • Rims Race Face ARC 30
    • 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
    • Seatpost Race Face Turbine R (by Fox) Dropper 30.9mm
    • Saddle WTB Volt Race 142
    • Weight 13 KG / 28.7 LBS
    • Frame SMOOTHWALL Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork Fox 34 Float Performance 140mm 37mm Offset
    • Front Travel 140mm
    • Shock Fox Float DPS EVOL Performance
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain AM
    • Handlebar Rocky Mountain AM 760mm
    • Grips Rocky Mountain Lock On Light
    • Brakes Shimano SLX 2 Piston / Shimano RT66 180mm / Shimano RT66 180mm
    • Brake Levers Shimano SLX
    • Shifters Shimano SLX
    • Rear Derailleur Shimano XT
    • Cranks & Chainrings Race Face Aeffect Cinch 34T Steel
    • Bottom Bracket Shimano SM-BBMT500
    • Cassette Shimano SLX 10-51T
    • Chain Shimano HG7100
    • Front Hub Rocky Mountain Sealed Boost 15mm
    • Rear Hub DT Swiss 370 Boost 148mm
    • Spokes DT Swiss Competition 2.0/1.8/2.0
    • Rims WTB ST Light i30 TCS 2.0 Tubeless
    • Tires Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4 / Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4
    • Seatpost Race Face Aeffect R Dropper 30.9mm
    • Saddle WTB Volt Race 142
    • Weight 13.28 KG / 29.3 LBS
    • Frame FORM Alloy. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork Fox 34 Float Performance 140mm 37mm Offset
    • Front Travel 140mm
    • Shock Fox Float DPS EVOL Performance
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain AM
    • Handlebar Rocky Mountain AM 760mm
    • Grips Rocky Mountain Lock On Light
    • Brakes Shimano MT500 2 Piston / Shimano RT66 180mm / Shimano RT66 180mm
    • Brake Levers Shimano MT500
    • Shifters Shimano SLX
    • Rear Derailleur Shimano XT
    • Cranks & Chainrings Race Face Aeffect Cinch 34T Steel
    • Bottom Bracket Shimano SM-BBMT500
    • Cassette Shimano SLX 10-51T
    • Chain Shimano HG7100
    • Front Hub Rocky Mountain Sealed Boost 15mm
    • Rear Hub DT Swiss 370 Boost 148mm
    • Spokes DT Swiss Competition 2.0/1.8/2.0
    • Rims WTB ST Light i30 TCS 2.0 Tubeless
    • Tires Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4 / Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4
    • Seatpost Race Face Aeffect R Dropper 30.9mm
    • Saddle WTB Volt Race 142
    • Weight 14.2 KG / 31.3 LBS
    • Frame FORM Alloy. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork RockShox Sektor RL 140mm 37mm Offset
    • Front Travel 140mm
    • Shock RockShox Deluxe Select+ RT
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain AM
    • Handlebar Rocky Mountain AM 760mm
    • Grips Rocky Mountain Lock On Light
    • Brakes Shimano MT400 2 Piston / Shimano RT54 180mm / Shimano RT54 180mm
    • Brake Levers Shimano MT400
    • Shifters Sram SX Eagle
    • Rear Derailleur Sram SX Eagle
    • Cranks & Chainrings Sram SX Eagle 34T
    • Bottom Bracket Sram BB92 DUB
    • Cassette Sram PG-1210 11-50T
    • Chain Sram SX Eagle
    • Front Hub Shimano MT400 Boost 15mm
    • Rear Hub Shimano MT400 Boost 148mm
    • Spokes 2.0 Stainless
    • Rims WTB ST i30 TCS 2.0 Tubeless
    • Tires Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4 / Maxxis Minion DHR II WT EXO Tubeless Ready 27.5 x 2.4
    • Seatpost Rocky Mountain Toonie Drop 30.9mm
    • Saddle WTB Volt Race 142
    • Weight 14.2 KG / 31.3 LBS
    • Frame FORM Alloy. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Fork RockShox Recon RL 140mm 37mm Offset
    • Front Travel 140mm
    • Shock RockShox Deluxe Select+ RT
    • Rear Travel 140mm
    • Headset FSA Orbit NO.57E
    • Stem Rocky Mountain AM
    • Handlebar Rocky Mountain AM 760mm
    • Grips Rocky Mountain Lock On Light
    • Brakes Shimano MT200 2 Piston / Shimano RT30 180mm / Shimano RT30 180mm
    • Brake Levers Shimano MT200
    • Shifters Shimano Deore
    • Rear Derailleur Shimano Deore
    • Cranks & Chainrings Rocky Mountain Microdrive 2 PC 32T
    • Cassette SunRace CSMS2 11-46T
    • Chain KMC X10-1
    • Front Hub Shimano MT400 Boost 15mm
    • Rear Hub Shimano MT400 Boost 148mm
    • Spokes 2.0 Stainless
    • Rims WTB ST i25 TCS Tubeless
    • Tires WTB Trail Boss Comp 27.5 x 2.25 / WTB Trail Boss Comp 27.5 x 2.25
    • Seatpost Rocky Mountain Toonie Drop 30.9mm
    • Saddle WTB Volt 142
    • Weight 14.46 KG / 31.9 LBS
    • Frame SMOOTHWALL Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9 Adjustable Geometry + Suspension Rate
    • Sizes XS - S - M - L - XL
    • Front Travel 140mm
    • Shock Fox Float DPS EVOL Factory
    • Rear Travel 140mm
    • Brakes 0 / 0 / 0
    • Tires 0 / 0
    • Weight 2.55 KG / 5.62 LBS

We make every effort to ensure accuracy, but reserve the right to update specifications & prices without notification

Technologies: Thunderbolt Alloy 30

    • Size Specific tune

      Suspension

      Size Specific Tune ensures that riders of all sizes get the right balance of small-bump compliance, mid-stroke support, and end-stroke progressiveness. Our design team does custom shock tunes based on real world field testing, and adjusts each tune for specific frame sizes.

    • FORM™ alloy

      Frame Construction

      FORM™ tubesets utilize premium materials to meet our strict requirements. Each FORM™ tube that we create is engineered for its specific purpose within the frame, ensuring optimized strength, weight, and ride quality.

    • The RIDE-9 adjustment system allows riders to quickly fine-tune their geometry and suspension with a pair of Allen keys. Nine configurations are possible thanks to two interlocking chips.

      Adjust your RIDE-9 position for geometry before considering suspension effects, or variables like air pressure and shock compression. Make gradual, incremental changes, take notes, and be methodical. Don’t adjust in a hurry before a big ride. Take your time and enjoy the process. 

    • Smoothlink suspension is efficient yet supple when you’re on the pedals and across a wide range of gears. It features a controlled end-stroke and a rate-curve that feels more capable than the travel would suggest. This four-bar suspension design philosophy is centred on ride characteristics; each bike platform we develop balances variables like anti-squat, axle path, chain growth, rate curve, anti-rise, etc. to achieve the legendary Rocky Mountain ride feel.

    • Smoothwall carbon

      Frame Construction

      Smoothwall carbon uses one of the world’s most sophisticated carbon processes to deliver industry leading stiffness-to-weight, ride quality, and durability. We eliminate excess resin and fibers by using rigid internal molds instead of traditional air bladders. We then utilize different types of carbon in specific frame areas to maximize stiffness and impact resistance while minimizing overall weight.

We make every effort to ensure accuracy, but reserve the right to update specifications & prices without notification.

FAQs: Thunderbolt Alloy 30

    • What is the longest travel dropper post that can be installed on the Thunderbolt?

      The dropper post length is dependent on a couple factors; the first being your saddle height and the second being the maximum seatpost insertion depth which you’ll find listed below. Using the values below and the charts supplied by the dropper post manufacturer you will be able to figure out which dropper post length is best for you.

       

      Thunderbolt carbon:

      Size XS = 200mm

      Size S = 225mm

      Size M = 225mm

      Size L = 245mm

      Size XL = 245mm

       

      Thunderbolt alloy:

      Size XS = 170mm

      Size S = 200mm

      Size M = 250mm

      Size L = 250mm

      Size XL = 250mm

    • What is the recommended sag setting on the Thunderbolt?

      We recommend running 25-30% sag on the Thunderbolt.

    • What size of seatpost does the Thunderbolt use?

      The Thunderbolt uses a 30.9mm seat post.

    • What size seat post collar does the Thunderbolt use?

      The Thunderbolt uses a 34.9mm seat post collar.

    • Is the Thunderbolt compatible with a front derailleur?

      The Thunderbolt is not compatible with a front derailleur.

    • What shock size and hardware do I need?

      The Thunderbolt uses a 210mm x 50mm (140mm travel) or a 210mm x 50mm (130mm travel).

      The forward shock hardware is a 25mm x 8mm ID pin and reducers, and the rear shock mount uses our bearing eyelet hardware. The bearing eyelet hardware can be purchased from your local Rocky Mountain dealer or from our online store using the part number: 1818003RMB

    • Does the Thunderbolt have ISCG mounts?

      The Thunderbolt has the 2 lower ISCG05 tabs.

    • What is the maximum chainring size that I can put on the Thunderbolt?

      The maximum chainring size that’s compatible is a 36t. The maximum oval chainring size that’s compatible is a 34t. One thing to consider is that the Spirit Guide will not be as effective when an oval chainring is installed.

    • What brake mounts are on the Thunderbolt, and what is the maximum brake size?

      The Thunderbolt has 180mm post mount brake mounts. It will fit up to a 200mm rotor with an adapter.

    • What type of headset is compatible with the Thunderbolt?

      The Thunderbolt uses a Zero Stack/Integrated ZS44|ZS56.

    • What is the size of the rear axle on the Thunderbolt?

      The Thunderbolt uses a 12mm x 173mm with a 1.5 thread pitch, replacement rear axles can be purchased from our online store or your local Rocky Mountain dealer using the part number: 3227009

    • What is the bottom bracket size on the Thunderbolt?

      The Thunderbolt needs a Press Fit BB92 bottom bracket, meaning that it's 92mm wide with a 41mm diameter shell. PF30 BB's are not compatible. 

    • What cranksets are compatible with the Thunderbolt and what is the chain line?

      The spindle length needed for the Thunderbolt are Race Face RF134, SRAM Boost, and Shimano Boost. The Thunderbolt has a 51mm (Raceface), 52mm (SRAM Boost), 53.4mm (Shimano Boost) chainline. For cranksets from other manufacturers, we recommend reaching out to the manufacturer of the crankset directly for compatibility information.

    • What is the widest tire that will fit on the Thunderbolt?

      The Thunderbolt is designed to fit up to a 27.5" x 2.5" tires. Keep in mind, there can be differences in tire widths between different tire manufacturers even if they are listed as the same size on the sidewall. We recommend checking the clearance before riding to ensure that you will not damage your frame. We recommend 6 mm of clearance between the tires and any frame members.

    • What is the fork offset on the Thunderbolt?

      The fork offset on Thunderbolt is 37mm.

    • How much fork travel is the Thunderbolt designed to use? What is the recommended max fork length?

      The Thunderbolt is designed to have 140mm of front suspension. The maximum recommended fork travel length is 140mm.

    • How do I change the RIDE-9 setting on the Thunderbolt and what do they do?

      The RIDE-9 adjustment system will change the geometry and suspension characteristics of your bike. Here is a video on how to use the RIDE-9 adjustment system.

      Here’s a setup guide on how using the RIDE-9 adjustment system will affect geometry and suspension characteristics.

       

    • What are the bolt torque specifications for my Thunderbolt?

      The torque specifications for your bike can be found in the technical manual found in the resource section below.

    • I’m looking at purchasing a Thunderbolt. What size do I need?

      Here’s a link to our Sizing Chart, which can be used to get a general idea of how a Thunderbolt will fit. The best way to be correctly sized for a bike is to visit your local Rocky Mountain dealer, but our online chart is a great place to start.

    • What derailleur hanger do I need?

      Hanger 15 (1099031) for SRAM and Non-Direct Mount Shimano

      Hanger 16 (1099041) for Shimano Direct Mount

    • Why is the standover height the same throughout all sizes?

      We measure standover height 200mm in front of the bottom bracket shell. On all sizes within a chosen platform, the top tubes are at an identical location despite the changing geometry values as you extend through the range.

    • Can I purchase touch-up paint?

      Yes, touch-up paint is available. Visit your local Rocky Mountain dealer and they will be able to order it for you.

    • Why is there a hole in the downtube underneath the bottle cage mount?

      The hole is there to mount a Fox Live battery to your frame.

    • How do I remove the bearings from my frame?

      You can remove the bearings from your frame using a blind hole bearing puller and a 10mm collet.

    • What is the tune on my rear shock?

      On Fox rear shocks, there’s a 4-digit Tune ID which can be entered on the website below to tell you the tune of your rear shock. RockShox rear shocks will be labelled with a decal on the outside of the rear shock.