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24" Impact Gravity MUni Unicycle - Black (42mm)


Great Muni (Mountain Unicycle) suitable for riders from beginner to advanced. 

This Muni does not come with a disc brake but one can easily be added, all you need is the brake (lever, hose and caliper), a disc rotor, a brake lever mount (for the brake lever to attach under the saddle) and the correct IS Caliper mount for your disc size.

For more information about this product check out impactunicycles.com. Here are the Build Instructions for this Unicycle, and some important Assembly Advice


The 24" Impact Gravity Muni comes with the same super stiff hydroformed frame design as the Impact Gravity Trials unicycle. The frame is made from 6061 T6 Aluminium and has the standard 42mm bearings. The frame comes with an IS mount for the disc brake. The Impact parts coupled with some Nimbus compents make this one amazing machine. Now comes with the latest generation Impact EiffelTower cranks.

Saddle: Nimbus Stadium Saddle - Black
Seatpost: Impact 'Unify' Seatpost 350mm (27.2)
Seatpost clamp: Impact '1 Bolt' Seatpost Clamp - White (31.8)
Frame: 24" Impact 'Gravity' Frame - Black, 42mm
Wheel-Size: 24"
Tyre: Duro Wildlife Leapard 24" x 3" Tyre
Rim: 24" Nimbus 'Dominator2' Rim - Black
Spokes: 36, 14 Gauge Black
Hub: Nimbus ISIS Disc Steel Hub - 36 Hole (100mm)
Cranks: Impact 'EiffelTower' Cranks - 140mm
Pedals: Nimbus Plastic Pedals - White

Weight: 5.75kg

Recommended leg length sizes for unicycle:
Standard seatpost: Minimum - 87cm (34.25"), Maximum - 93cm (36.5")
Cutdown seatpost: Minimum - 72cm (28.25") What does cutdown mean?
These sizes are measured from crotch to floor wearing shoes

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For more information check out impactunicycles.com

More Information
Unicycle Brand
Unicycle Type
Wheel Size
24" - ISO507
Rim Width
Frame Colour
Crank Length
Crank Type
Number of Spokes
36 Hole
Bearing Size
Bearing Spacing
Rim Colour
Pedal Colour
Seatpost Type
Standard - Aluminium
Seatpost Diameter
Seatpost Length
Seatpost Clamp Colour
Seatpost Clamp Size
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   Frequently Asked Questions and Answers

  • General Unicycle maintenance

    Unicycles are not complicated but they do take a little bit of maintaining. Here are some of the key points:

    Creaking Cranks

    Stop riding immediately and tighten! If these are left they will destroy the cranks and hub. The creak comes ...
    Read more

  • What does "Cut-Down" mean?

    What does "Cut-Down" mean?

    Beacuse a unicycle saddle is directly above the tyre, when it is pushed down the seatpost will hit the tyre. So the cut down measurement you see on our unicycles is the lowest the saddle can go with the seatpost cut...
    Read more

  • Impact Unicycle Instructions

    Please select your Unicycle from the list below.

    All our instructions are PDF based, you will need a PDF viewer to use the links below. We recommend Adobe Acrobat Reader, which is a free, trusted global standard for viewing PDFs. You can downlo...
    Read more

  • The history of Mountain Unicycling (MUni)

    Article written by Roger Davies for UniMagazine

    What is MUni?
    Muni is the riding of unicycles off road, but it does vary dramatically. Some riders ride along canal tow paths other throw them selves down the mountain bike black run...
    Read more

  • Impact Unicycles Manufacturers Page

    Impact Unicycles is the best manufacturer in the world for trials and flatland unicycles. Although the brand was started in 2009 by the famous French rider Yogi. It is now wholly owned by Unicycle.com. Designed by unicyclists, ridden by world champions...
    Read more

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