The first real mountain bike every kid should have - the Opus Bolt! The aluminum frame and quality components will satisfy every kid’s taste for dirt. With the Suntour XCT 63 mm travel fork, the wider 20 x 2.35 inch front and rear knobby tires, and disc brakes, the Bolt is ready for just about anything a little mountain biker is prepared to throw at it. Also, the stable geometry ensures the Bolt is easy and safe to ride. Even the cranks and saddles are sized specifically for 20-inch bikes, so you know the fit is as good as the ride.

    • Improved 6061 aluminum frame with shorter chainstays and more tire clearance
    • Suntour fork with 63 mm of travel
    • Sram 1x7 drivetrain
    • Front and Rear 160 mm mechanical disc brakes
    • Derailleur protector

     Specifications are subject to change without notice.

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    Frame Opus 6061 aluminum
    Fork Suntour XCT JR 63 mm
    Weight (lb) 24
    Sizes 20"
    Color(s) Burnt Orange
    Zinc Graphite
    Shifters SRAM 3.0 twist 7
    Front Derailleur N/A
    Rear Derailleur SRAM X3
    Brakes Jak-7 mechanical disc brakes - 160 mm
    Brake Levers Jak-7 mechanical disc brake
    Crank Samox alloy 127 mm
    Chainrings 36
    Bottom Bracket 5 pc steel
    Cassette Shimano Tourney 14-34
    Chain KMC Z51
    Headset VP semi-integrated sealed
    Handlebar Opus Junior 25.4
    Stem Promax 60 mm 15°
    Grips/Tape Opus Kraton
    Saddle Opus Junior
    Seatpost Opus Junior 27.2 x 300
    Wheels/Rims Alex Ace disc double wall
    Hubs Joytech
    Tires Innova IA-2021 20 x 2.35
    Pedals FPD NW-450


    Geometry diagram
    Riders's height  
    ± cm 62
    ± " 6-8 yrs/ans
    Size (cm)  
    S - Seat tube (effective center-center in mm) 295
    TT - top tube (effective center-center in mm) 455
    HT - Head tube (mm) 100
    HA - Head angle (mm) 71
    SA - Seat angle (mm) 74
    CS - Chain stay (mm) 370
    D - BB drop (mm) 8
    ST - Stack (mm) 420
    RE - Reach (mm) 334
    SO - Stand over (mm) 524
    Handlebar width (mm) 540
    Stem length (mm) 60
    Crank length (mm) 127
    Geometry diagram
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