Filter

    Components

    Save 21%
    SRAM NX/GX Eagle Groupset - Thunder Mountain Bikes
    SRAM NX/GX Eagle Groupset - Thunder Mountain Bikes
    NX/GX Eagle Groupset
    SRAM
    $530.00 from $418.70
    Save 21%
    SRAM SX/NX Eagle Groupset - Thunder Mountain Bikes
    SRAM SX/NX Eagle Groupset - Thunder Mountain Bikes
    SX/NX Eagle Groupset
    SRAM
    $403.00 $318.37
    Bontrager Line Comp 30 Boost Wheelset - Thunder Mountain Bikes
    Bontrager Line Comp 30 Boost Wheelset - Thunder Mountain Bikes
    Line Comp 30 Boost Wheelset
    Bontrager
    from $434.98
    Save 21%
    SRAM GX Eagle Groupset - Thunder Mountain Bikes
    SRAM GX Eagle Groupset - Thunder Mountain Bikes
    GX Eagle Groupset
    SRAM
    $645.00 from $509.55
    Sold Out
    2025 DHX2 Factory Shock
    2025 DHX2 Factory Shock
    Fox
    from $649.00
    Fox 2024 Float Performance Elite Shock - Thunder Mountain Bikes
    Fox 2024 Float Performance Elite Shock - Thunder Mountain Bikes
    2024 Float Performance Elite Shock
    Fox
    from $349.00
    Sold Out
    WTB Silverado Saddle - Thunder Mountain Bikes
    WTB Silverado Saddle - Thunder Mountain Bikes
    Silverado Saddle
    WTB
    from $47.95
    Sold Out
    SRAM Maven Bronze Disc Brake Caliper - Thunder Mountain Bikes
    SRAM Maven Bronze Disc Brake Caliper - Thunder Mountain Bikes
    Maven Bronze Disc Brake Caliper
    SRAM
    $130.00 $102.70
    Sold Out
    Aeffect R Pedals
    Aeffect R Pedals
    Race Face
    from $129.99
    Sold Out
    DVO Beryl / Diamond / Sapphire Bolted Thru Axle - Thunder Mountain Bikes
    Beryl / Diamond / Sapphire Bolted Thru Axle
    DVO
    $49.95
    Sold Out
    DVO Onyx SC Bolted Thru Axle - Thunder Mountain Bikes
    Onyx SC Bolted Thru Axle
    DVO
    $49.95
    Sold Out
    CushCore XC Tire Inserts - Thunder Mountain Bikes
    CushCore XC Tire Inserts - Thunder Mountain Bikes
    XC Tire Inserts
    CushCore
    from $78.00
    Sold Out
    SRAM GX Transmission AXS Rear Derailleur Inner Cage - Thunder Mountain Bikes
    GX Transmission AXS Rear Derailleur Inner Cage
    SRAM
    $40.00 $31.60
    Sold Out
    SRAM X0 Transmission AXS Rear Derailleur Set Up Key / Cage Lock - Thunder Mountain Bikes
    SRAM X0 Transmission AXS Rear Derailleur Set Up Key / Cage Lock - Thunder Mountain Bikes
    X0 Transmission AXS Rear Derailleur Set Up Key / Cage Lock
    SRAM
    $17.00 $13.43
    Save 21%
    SRAM XX Transmission AXS Rear Derailleur Full Mount Bolt Kit - Thunder Mountain Bikes
    XX Transmission AXS Rear Derailleur Full Mount Bolt Kit
    SRAM
    $35.00 $27.65
    Sold Out
    SRAM XX SL Transmission AXS Rear Derailleur Cover Kit - Thunder Mountain Bikes
    SRAM XX SL Transmission AXS Rear Derailleur Cover Kit - Thunder Mountain Bikes
    XX SL Transmission AXS Rear Derailleur Cover Kit
    SRAM
    $25.00 $19.75
    Sold Out
    SRAM Transmission AXS Rear Derailleur Set Up Key / Cage Lock - Thunder Mountain Bikes
    SRAM Transmission AXS Rear Derailleur Set Up Key / Cage Lock - Thunder Mountain Bikes
    Transmission AXS Rear Derailleur Set Up Key / Cage Lock
    SRAM
    $17.00 $13.43
    Sold Out
    SRAM XX Eagle Transmission Power Meter Crankset - Thunder Mountain Bikes
    XX Eagle Transmission Power Meter Crankset
    SRAM
    $825.00 $660.00
    Sold Out
    SRAM XX Eagle Transmission AXS Power Meter Groupset - Thunder Mountain Bikes
    SRAM XX Eagle Transmission AXS Power Meter Groupset - Thunder Mountain Bikes
    XX Eagle Transmission AXS Power Meter Groupset
    SRAM
    $2,499.00 $1,999.20
    Sold Out
    SRAM Level Bronze Stealth 4-Piston Caliper - Thunder Mountain Bikes
    SRAM Level Bronze Stealth 4-Piston Caliper - Thunder Mountain Bikes
    Level Bronze Stealth 4-Piston Caliper
    SRAM
    $130.00 $102.70

    Let customers speak for us

    from 2404 reviews
    xt di2 8250

    This upgrade is amazing. Everything you need to go wireless. Easy set up and precise shifting, smooth and quick. Doubt if i'll ever go back to cable/housing.

    Jay F.
    Deore XT DI2 M8250 Upgrade Kit
    Great price and fast shipping

    Thunder Mountain Bikes is my go place for on-line purchases. They always have what I need at great prices and extremely fast shipping. If Thunder Mountain and “Shop X” have the same price, I always choose Thunder Mountain for their fast shipping plus everyone that works there are great people

    Chris B.~.C.C.
    GX Eagle DUB Crankset
    Great wheel

    Smooth hub and great wheel for trail riding!!

    John S.
    Trail S Hydra Front Wheel

    These are the best crank boots, use them on all my Shimano cranks.

    Richard
    Shimano Crank Arm Protector Boots

    Shimano quality as usual, 5 stars.

    Richard
    Deore XT CN-M8100 (M8200) Chain

    Love how this adapter cleaned up the cockpit with my Shimano I-Spec EV brakes.

    Richard
    Triggy Handlebar Adaptor

    Love the grips

    Jerrod
    Megattack Grips

    Love the grips

    Jerrod
    Megattack Grips

    Love the grips

    Jerrod
    Megattack Grips
    Good product, great service

    The stem was exactly what I expected. The service was great and I would gladly do business with Thunder Mountain the next time I need more bike stuff!

    Bob W.
    Elite 35 Stem
    Works Great

    This replacement charging port cap works great! Unfortunately, replacing it on an Ari Nebo peak required me to take it to a bike shop to get it replaced.

    Ricardo D.
    Ride 60 Charge Port Cap
    Boing boing

    Awrsome service as always

    Rob L.
    Steel Coil Spring
    Fit My XO Alloy Cranks

    Fit, seem pretty robust.
    Turbo Levo4 Pro.

    Jerry
    Crank Arm Boots
    Quality Cable

    Only disappointment is that they sold out.
    Heavy duty, right angle works with any USB C device.

    Jerry
    USB C to A Cable
    Perfect!!!!!!

    Takes pressure of the weaker part of your pedal stroke. Great for long rides to save your knees!

    Robert H.
    SRAM T-Type Oval Chainring
    2356
    78