GT Avalanche Sport 29" Mountain Bike 2023 - Hardtail MTB
When you’re ready to revel in riding, the Avalanche Sport is ready to roll. This wallet-friendly mountain bike is designed to pursue new thrills with confidence. The stable and durable aluminum frame features internal cable routing to keep the frame looking clutter-free. Tektro hydraulic disc brakes provide controlled stopping power, and a locking 100mm front fork transitions smoothly from dirt trails to gravel paths for the rider that seeks efficiency, versatility and fun in an off-road hardtail design.
- Completely re-designed alloy frame for renewed style and swagger
- Internal cable routing allows for a clean look
- New floating seat stays provide additional compliance and comfort
Occasionally, without notice, manufacturers change product design and/or specifications.
| Frame | GT 6061 T6 Aluminum Frame, Triple Triangle w/ Floating Seat Stays, Internal Cable Routing, Dropper Post Routing, Boost 141 Forged Drop-outs w/ Disc Brake Mounts, Zero Stack Tapered 1 1/8"- 1.5" Head Tube, 27.5/29" Wheels |
| Fork | SR Suntour XCT-DS, 100mm, Hydraulic Lockout and Preload adjust, Coil |
| Headset | Semi-integrated, Sealed Cartridge, Tapered |
| Stem | GT All Terra, 6061 Alloy, 31.8, 8° |
| Bars | GT All Terra Alloy Riser, 25mm Rise, 8° Sweep, 6° Rise, 720mm Width |
| Front Brake | Tektro M275 Hydro Disc, 160/160mm Rotors |
| Rear Brake | Tektro M275 Hydro Disc, 160/160mm Rotors |
| Front Mech | Microshift FD-M392B |
| Rear Mech | microSHIFT RD-M36L |
| Shifters | microSHIFT TS39-29, 9-speed |
| Speed | 18 |
| Rims | WTB SX19, 32h |
| Front Hub | Alloy Disc, QRx100 |
| Rear Hub | Alloy Disc, QRx141 |
| Spokes | Stainless Steel, 14g |
| Front Tyre | WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound |
| Rear Tyre | WTB Ranger Comp, 27.5/29 x 2.25", DNA Compound |
| Seat Post | GT All-Terra Micro Adjust Alloy Seat Post, 30.9mm |
| Saddle | GT MTB |
| Bottom Bracket | Cartridge, square taper |
| Chain | KMC Z9, 9-speed |
| Pedals | GT Slim Line Flat Pedal |
Mountain Bike Size Chart
|
Height
|
Bike Size
|
Mountain Bike Size
|
|
4’8” – 5’1”
143 – 155 cm
|
XXS
|
13” (33 cm)
|
|
5’1” – 5’4”
155 – 163 cm
|
XS
|
15” (38 cm)
|
|
5’4” – 5’7”
163 – 170 cm
|
S
|
16” (41 cm)
|
|
5’7” – 5’10”
170 – 178 cm
|
M
|
18” (46cm)
|
|
5’10” – 6’0”
178 – 183 cm
|
L
|
19” (48cm)
|
|
6’0” – 6’3”
183 – 191 cm
|
XL
|
20” (51 cm)
|
|
6’3” – 6’5”
191 – 196 cm
|
XXL
|
21” (53 cm)
|
|
6’5” – 6’9”
196 – 205 cm
|
XXXL
|
22” (56 cm)
|
* Mountain bikes are sized differently to road bikes. Typically, they are sized in inches as the first MTBs were produced in the USA. European brands like Lapierre and Haibike like to use centimetres for all their bikes. The measurements of their mountain bikes doesn’t match their road bikes but are like a simple conversion from the inches measurement. This is why we have included cm measurements in brackets for the Mountain bike column.
Read our bike size guide for more information on sizing.
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