GT LaBomba Pro Bike 2020

  • Description
  • Size Guide
  • Additional information
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Description

GT LaBomba Pro Bike

Excellently angled for the daring dirt-jumper, this LaBomba Pro by GT is a lightweight and reliable MTB for the gravity-defying, big-air rider. Geared towards amateur riders and pro-jumpers, this versatile steed utilises its 6061-aluminium frame to great effect.

Sturdy and Strong, Aluminium-Framed Dirt Jump Bike

Keeping a low weight to hit the highest heights and a sturdy form to withstand the hardest landings, this ride encourages you to fly fearlessly through the skatepark. Kitted out with a Manitou Circus Expert fork to bear the brunt of the biggest bumps, this brilliant bike lets you ride with as much aggression and speed as you can muster. Rolling on hard-wearing double-wall rims with disc body hubs, a steady and consistent roll is assured on every run, with the GT LP-5 tyres giving cushioned and protective performance. Promax hydraulic disc brakes provide unrivalled stopping power and control, giving you the confidence to push every rowdy ride and giant jump to the limit.

Features:

  • Frame: GT Dirt Jump 6061 Aluminium, Euro BB, disc brake mount, Integrated 1-1/8″-1.5″ Taper H/T, 15mm horizontal adjustable dropout w/ Integrated chain tensioners
  • Fork: Manitou Circus Expert, coil w/ rebound adjust, 20mm thru-axle dropout, 1-1/8″-1.5″ taper AL steerer, pre-load adjuster
  • Rims: Alloy double wall, 32h
  • Hubs: Front: Alloy disc body, Sealed Bearings, 32 hole, 3/8″ x 17mm female bolt; Rear: Alloy disc body, 5pcs sealed bearings, 3/8″ x 17mm female bolt, 10T cassette, 32 hole
  • Spokes: Stainless Steel, 14g
  • Pedals: GT Low Profile large size platform design, PP material, Boron axle
  • Crank: GT Power Series seamless tubular CrMo 2Pc., 170mm arms, Cold Forged CrMo 19mm x 48T Spline spindle, 25T GT 5mm AL chain wheel
  • Bottom Bracket: Euro sealed bearing
  • Chain: KMC HL1 Half Link
  • Handlebar: Spank Spoon 785, Alloy 31.8mm, 60mm Rise, 10-degree back, 4-degree up, 785mm width
  • Grips: GT Super Soft 155mm single compound w/ GT removable plug
  • Stem: GT Jumper 35mm Reach
  • Headset: 1-1/8″-1.5″ Threadless, Steel, hollow compression nut
  • Brakes: Promax hydro disc, 160/160mm rotors
  • Brake Levers: Promax single finger hydro
  • Saddle: GT Pivotal Slim padded
  • Seatpost: Alloy Pivotal 27.2 x 200mm
  • Extras: 10mm Steel axle adaptors
  • Front Tyre: GT LP-5, 26 x 2.2″
  • Rear Tyre: GT LP-5, 26 x 2.2″

Buy GT Bikes from Chain Reaction Cycles, the World’s Largest Online Bike Store.

Specs

  • Colour: Emerald Green – Silver
  • Wheel Size: 26″
  • Gender: Unisex
  • Speed: Single Speed
  • Material: Aluminium
  • Fork Travel: Rigid

Bike Sizing Guide

Choosing the bike size depends on the type of bike, your height, your riding style, and your preference. A correct fitting bike will be more comfortable, more efficient and more fun to ride. This bike size guide gives our customers general advice on choosing the right size. It is a guide only and we always recommend visiting one of our stores or contacting one of our experts from our contact us page.

To get started, think about your style of riding, measure your height and use the links above for sizing on relevant bike types.

 

Measure your height

To find the correct sized bike you will need to measure your height and your inside leg. For your height, stand against a wall and mark the wall with a pencil so it's level with the top of your head. Then measure from the ground up to the mark (having someone to help might make this easier). For your inside leg measurement, stand against a wall and using a book hold it in between your legs into your groin and make sure it's flat against the wall. Measure the height from the book to the floor. (Again it might be easier to get a friend to help). If your height is on the cusp of the size range, your reach is often the deciding factor in which size to go for. To find out if you have short or long reach you will need to measure your ape index. This is your arm span minus your height. If you have a positive ape index then go for the larger size, or if you have a negative ape index go for a smaller size.

 

The type of bike

What type of bike you choose will affect the bike size you buy. The type or style of riding that you do will also affect which size you need. For example a mountain biker that wants to ride more aggressively and would like a more manoeuvrable bike may prefer a size smaller than they would normally take. Likewise a cross country racer that is looking for a flatter and speedier mountain bike may prefer a size larger than they would normally take. There is no definitive right or wrong size, it all comes down to personal preference and what feels comfortable. The different types of bikes are all explained within our buying guides.

 

How are bikes measured?

Bikes are measured by their seat tube length. This measurement is normally from the centre of the bottom bracket (BB) or the centre of the bolt that attached the crank arms. This differs by brand, some measure to the top of where the top tube meets the seat tube, or even the centre of the top tube. Mountain bikes are either measured in inches or descriptive sizes (small, medium etc). Road bikes are in centimetres or descriptive sizes where as Hybrid bikes can be any one of the three. Bikes also get longer as they go up in size (relative to the frame size) but different brands can be inherently longer or shorter than others.

 

Stand over height

Stand over height is how tall the frame is from the ground. Stand over height measurements are to the top of the top-tube. Ideally you want at least 2cm of clearance between you and the frame. In theory your stand over height is your leg measurement minus 2cm. It it worth measuring your inside leg with your shoes on so you can establish your stand over height. Should you need to jump off the saddle quickly, the clearance between you and the frame will prevent any injuries.


This handy chart should show you the right size of MTB you need based on your height. Measure your height accurately and check the manufacturer’s measurements too. You can also visit us in store to speak to an experienced member of staff.

Rider Height Suggested Mountain Frame Size
Feet & Inches Centimetres Frame Size (inches) Frame Size (cm) Frame Size
4'10" - 5'2" 148cm - 158cm 13" - 14" 33 - 37 View all X-Small Bikes
5'2" - 5'6" 158cm - 168cm 15" - 16" 38 - 42 View all Small Bikes
5'6" - 5' 10" 168cm - 178cm 17" - 18" 43 - 47 View all Medium Bikes
5'10" - 6'1" 178cm - 185cm 19" - 20" 48 - 52 View all Large Bikes
6'1" - 6'4" 185cm - 193cm 21" - 22" 53 - 57 View all X-Large Bikes
6'4" - 6'6" 193cm - 198cm 23" - 24" 58 - 61 View all XX-Large Bikes

Shop All Mountain Bikes

This handy chart should show you the right size of road bike you need based on your height. Measure your height accurately and always check the manufacturer’s measurements too. You can also visit us in store to speak to an experienced member of staff.

Rider Height Suggested Road Bike Size
Feet & Inches Centimetres Frame Size (cm)
4'10" - 5'0" 148cm - 152cm XX-Small (47cm - 48cm) View all XX-Small Road Bikes
5'0" - 5'3" 152cm - 160cm X-Small (49cm - 50cm) View all X-Small Road Bikes
5'3" - 5'6" 160cm - 168cm Small (51cm - 53cm) View all Small Road Bikes
5'6" - 5'9" 168cm - 175cm Medium (54cm - 55cm) View all Medium Road Bikes
5'9" - 6'0" 175cm - 183cm Large (56cm - 58cm) View all Large Road Bikes
6'0" - 6'3" 183cm - 191cm X-Large (58cm - 60cm) View all X-Large Road Bikes
6'3" - 6'6" 191cm - 198cm XX-Large (61cm - 63cm) View all XX-Large Road Bikes

Shop All Road Bikes

Additional information

Size

XS, S, M, L, XL, XXL

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