GT Aggressor Comp 27.5" Mountain Bike 2018 - Hardtail MTB

With the GT Aggressor Comp 27.5” hardtail mountain bike, you can effortlessly cruise around town with your friends, go on an extended adventure into the hills, or anything else in between.
With its versatile design, comfortable geometry, rugged build quality, and all-terrain-capable 27.5” wheels, the GT Aggressor MTB is like the SUV of the cycling world. You can confidently ride it nearly anywhere, safe in the knowledge that it won’t let you down. Constructed from an aerospace grade aluminium, and using GT’s legendary Triple Triangle design, the Aggressor is a real tough nut. Further adding to its versatility, the frame also has provisions for mounting mudguards and a pannier rack, should you desire.
Equipped with an 80mm travel All Terra suspension fork, the GT Aggressor Comp MTB takes the sting out of any rough ground you cover. Come rain or shine, the front & rear disc brakes from Tektro/Promax make sure you have complete confidence in your brakes, and the Shimano Tourney/Altus 3x7 speed gearing uses EZ Fire shifters for quick and effortless changes.
Discover new horizons, with the GT Aggressor Comp 27.5” mountain bike.
Key Features:
- 6061-T6 alloy frame with GT’s trademark Triple Triangle design, making it strong and reliable
- All Terra CH-565 fork with 80mm travel, designed specifically for disc brakes
- Shimano Tourney/Altus 3x7 speed gearing gives a wide range & effortless gear shifting
- Tektro/Promax mechanical disc brakes give consistent braking in both wet and dry conditions
- Sizes: X Small, Small, Medium, Large, X Large
- Colour: Black
- The GT Aggressor Comp 27.5” mountain bike is available with 0% APR finance
All Tredz bikes are:
- Fully built & ready to ride
- Fully checked & tested by Cytech qualified mechanics
- Available with 0% APR finance on baskets over £99
- 365 day no hassle returns
- Free delivery in the UK Mainland on a date that suits you
In the box with every Tredz bike is:
- Free Tredz pedal spanner
- Free basic pedals
- Tredz drawstring kit bag
- 16 point quality control check sheet
- Basic bike setup instructions
- Free Tredz 9 key trail tool
- Free Cycle Plan insurance voucher (8 weeks)
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | 6061-T6 Aluminum Triple Triangle™ Frame, w/ Replaceable Derailleur Hanger, and 1 1/8" Head Tube 27.5 Design |
| Fork | All Terra CH-565, 26mm stantions, alloy lower legs 80mm travel for 27.5, disc brake specifc |
| Headset | 1 1/8" Ahead |
| Stem | Alloy 1 1/8" Threadless, 4-Bolt W/ CNC Face Plate, 10° Rise, 31.8mm Clamp |
| Bars | 6061 Aluminum Riser, 640mm Width, 12mm Rise, 31.8mm Clamp, Double Butted |
| Front Brake | Tektro Mechanical Disc W/ 160mm Rotor |
| Rear Brake | Promax Mechanical Disc W/ 160mm Rotor |
| Brake Lever | Shimano EF-500 |
| Front Mech | Shimano Tourney |
| Rear Mech | New Shimano Altus, RD-M310 |
| Shifters | Shimano EF-500 EZ Fire Plus, 7 Speed |
| Speed | 21 |
| Rims | All Terra Double Wall, 32H 27.5, disc specific |
| Front Hub | Alloy Disc QR |
| Rear Hub | Alloy Freewheel Disc QR |
| Spokes | 14g Stainless |
| Front Tyre | All Terra Cypher 27.5X2.10", 30tpi |
| Rear Tyre | All Terra Cypher 27.5X2.10", 30tpi |
| Seat Post | Alloy Micro Adjust |
| Chainset | All-Terra Forged Alloy 42/34/24T |
| Bottom Bracket | VP Cartridge Sealed |
| Chain | KMC Z51 |
| Cassette | Sunrace 7-Speed, 14-34T F/W |
| Pedals | GT Slim Line Flat Nylon Pedal |
Aggressor Sizing
See the table below to find the right size GT Aggressor.
|
Frame Size |
Recommended Height |
||
|
Inches |
Size |
Feet and Inches |
Centimetres |
|
13 |
X Small |
5’ 0” - 5’ 3” |
152 – 160cm |
|
15 |
Small |
5’ 3” - 5’ 7” |
160 – 170cm |
|
17 |
Medium |
5’ 7 - 5’ 10” |
170 – 178cm |
|
19 |
Large |
5’ 10” - 6’ 2” |
178 – 188cm |
|
21 |
X Large |
6’ 2” - 6’ 5” |
188 – 196cm |
|
23 |
XX Large |
6’ 5” - 6’ 9” |
196 – 205cm |
Read our bike size guide for more information on sizing.
Aggressor Geometry
|
Size |
XS |
S |
M |
L |
XL |
|
Seat Tube Length |
335 |
380 |
430 |
485 |
540 |
|
Horizontal Top Tube Length |
569 |
588 |
615 |
644 |
675 |
|
Stand over height |
727 |
727 |
762 |
804 |
845 |
|
Head Angle |
69.5 |
69.5 |
69.5 |
69.5 |
69.5 |
|
Seat Angle |
72.5 |
72.5 |
72.5 |
72.5 |
72.5 |
|
Chain Stay Length |
4435 |
435 |
435 |
435 |
435 |
|
Head Tube Length
|
90 |
100 |
110 |
130 |
150 |
|
Bottom Brackett Height |
312 |
312 |
312 |
312 |
312 |
|
Fork Offset (Rake) |
42 |
42 |
42 |
42 |
42 |
|
Wheel Base |
1065 |
1085 |
1112 |
1143 |
1175 |
|
BB Drop |
45 |
45 |
45 |
45 |
45 |
|
FC |
634 |
654 |
681 |
711 |
744 |
|
Stack to HT |
571 |
580 |
589 |
608 |
627 |
|
Reach to HT |
391 |
407 |
431 |
455 |
480 |
Read our Mountain Bike Geometry Explained guide for more information on MTB geometry.
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