GT La Bomba Pro Mountain Bike 2020

★★★★★ ★★★★★

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La Bomba Pro Mountain Bike 2020
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Product ID: 1217445

Why buy your bike from Sigma Sports?

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Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.

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Built, Checked, Tuned and Tested

All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.

Free Bike Delivery

We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.

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Free 30-Day Bike Insurance

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GT La Bomba Pro Mountain Bike 2020

The GT La Bomba Pro Mountain Bike is for riders serious about dirt jumping. With a tough aluminium frame and 100mm travel fork to take the sting out of flat landings it is perfect for tricks and big air. The single gear and rear hydraulic brake keep things simple like a grown up BMX, and the double-wall rims are also built to withstand some hard knocks. A 785mm wide handlebar and 26” tyres help the bike’s agility and make it easier to control both on the ground and in the air.


  • GT Dirt Jump 6061 aluminium frame, 15mm horizontal adjustable dropout with integrated chain tensioners
  • Manitou Circus Expert fork with 100mm travel
  • 26” double wall wheels
  • Promax hydraulic disc brake

Technical Specification

Frame GT Dirt Jump 6061 aluminium, Euro threaded BB, disc brake mount, integrated 1-1/8"-1.5" taper head tube, 15mm horizontal adjustable dropout with integrated chain tensioners
Fork Manitou Circus Expert, coil with rebound adjust, 20mm thru-axle dropout, 1-1/8"-1.5" taper AL steerer, preload adjust 100mm travel
Bottom Bracket Euro sealed bearing
Stem GT Jumper 35mm reach
Handlebar Spank Spoon 785, Alloy 31.8mm, 60mm Rise, 10-degree back, 4-degree up, 785mm width
Front Brake N/A
Rear Brake Promax hydraulic disc, 160mm rotor
Brake Levers Promax hydraulic disc
Front Derailleur N/A
Rear Derailleur N/A
Shift Levers N/A
Cassette N/A
Crankset GT Power Series Seamless Tubular Cr-Mo., 170mm arms, cold-forged Cr-Mo 19mm x 48T Spline Spindle, 25T GT 5mm AL chain wheel
Front Wheel GT Alloy hub with 26” double-wall rim
Rear Wheel GT Alloy hub with 26” double-wall rim
Front Tyre GT LP-5, 26 x 2.2" clincher
Rear Tyre GT LP-5, 26 x 2.2"clincher
Saddle GT Pivotal Slim Padded
Seatpost GT Alloy Pivotal 27.2 x 200mm
Pedals GT Low Profile Large Size Platform Design, PP Material, Boron Axle

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.

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