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Delivered ready to ride in 10 to 14 days.

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Select the product you are interested in, click delivery, type in your postcode, and select Bike Delivery. If this is not available there is no available stock nearby.

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Once your order is placed we will be in contact with you within 2 hours to confirm your order.

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Bike Build

Your bike will be built up at your local 99 bikes by one of our expert mechanics and safety checked prior to delivery.

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Delivery

Your bike is delivered to your door by a 99 Bikes expert who will walk you through your new bike and answer any questions you may have.

Next Business Day Delivery

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Delivered before 8pm next business day.

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All orders placed before midnight will be delivered next business day before 8pm.

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One of our friendly 99 Delivery team members will deliver your order.

About Box Bike Delivery

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Delivered boxed in 2 - 4 weeks

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Select the product and size you are interested in, click delivery, add your postcode, then select bikes delivered boxed. If this option does not appear, there is no available stock.

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Once your order is placed we will be in contact with you within 2 hours to confirm your order

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Bike Visually Inspected

Your bike will be visually inspected by our mechanics prior to delivery.

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Bike Sent For Delivery

Your bike will be sent boxed through a courier to your delivery address. Authority to leave must be provided.

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Delivered

Your bike will be delivered to your delivery address within 2 - 4 weeks

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Get Your Bike Built

We recommend organising your bike to be assembled by a qualified mechanic to ensure safety.

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GT Aggressor Sport Mountain Bike 27.5 Inch Black Yellow (2019)

Out of stock
Only %1 left
Request a Price Beat

Up to 12 months interest free

Features

Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.

Please Note: GT is not available in our ACT stores.

The GT Aggressor Expert is an extremely versatile 27.5 inch hardtail mountain bike that is built to take you from the town to the trails. The Aggressor Expert brings capable handling and comfortable, confidence-inspiring performance to the table in a single package. The 6061-T6 Aluminum Triple Triangle™ Frame w/ replaceable derailleur hanger is the basis for the durability and reliable performance the Aggressor Expert offers. The trusty frame is powered by a 24-speed Shimano Drivetrain, with enough range to help you up the steepest ascents and descents. The SR Suntour XCM fork with 80mm travel will help you tackle the bumps and then when you’re flying downhill you’ll need some assistance to stop. This is where the Tektro mechanical disc brakes will give you reliable stopping power regardless of the conditions.

The GT Aggressor Expert is an entry-level hardtail mountain bike that can help you commute on weekdays and hit the trails on the weekends, you really can do what you like. The Aggressor Expert is a reliable mountain bike that gives you everything you need to get started at an affordable price.

Features

  • SR Suntour M3030 fork
  • Shimano Easy Fire Shifters, 3x7 / Tektro Mechanical Disc brakes
  • WTB SX19 Double wall Disc rims / WTB Transition 2.25" tires
  • 6061-T6 Aluminum Triple Triangle™ Frame

See More Inbformation tab above.

More Information
SKU 19GTAggressorSport27.5BlackYellow
Season 2019
Sizing SKUs LG: GTG28319M10LG, MD: GTG28319M10MD, SM: GTG28319M10SM, XL: GTG28319M10XL, XS: GTG28319M10XS
Click & Collect Yes
Frame 6061-T6 Aluminum Triple Triangle™ Frame, w/ Replaceable Derailleur Hanger, and 1 1/8"" Head Tube 27.5 Design"
Frame Material Alloy
Fork SR Suntour M3030, 75mm, Coil
Fork Brand Suntour
Front Travel under 100mm
Speeds 3 x 7
Front Gears Triple
Groupset Brand Shimano
Groupset Shimano Tourney
Rear Gears 7 Speed
Crankset All Terra, 42/34/24
Pedals GT Slim Line Flat Pedal
Chain KMC Z51, 7-speed
Brake Type Mechanical Disc Brake
Brakes Mechanical cable actuated disc, 160/160mm
Shifters Shimano EF41 Easyfire, 3x7
Brake Levers Alloy
Derailleur Front Shimano Tourney, 31.8 clamp
Derailleur Rear Shimano Tourney
Wheel Size 27.5" (650b)
Tyres WTB Transition, 27.5 x 2.25"
Rims WT SX19, 32h, Double Wall, disc
Hubs Formula QR front and rear
Spokes Stainless Steel, 14g
Bottom Bracket Cartridge Sealed
Handlebar GT All Terra Alloy Riser, 25mm rise, 8° sweep, 6° rise, 700mm
Headset Semi Integrated, Sealed cartridge
Grips GT Statement logo grips
Stem Alloy 1 1/8” Threadless, 4-Bolt W/ CNC Face Plate, 31.8, 8°

GT Hardtail Bike Sizing Chart

Rider's Height (cm)
145
150
155
160
165
170
175
180
185
190
SM
MD
LG
XL

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