GIANT ATX 27.5 2021 (Rim Brake)
With a rugged personality and a smooth riding style, ATX features the familiar flat handlebar look of a traditional mountain bike. It has a lightweight yet durable ALUXX aluminum frame and a suspension fork with 100 mm of smooth travel to soak up bumps. The wheel diameter varies based on bike size, with 26-inch wheels on smaller frames and 27.5 on larger ones. This tailors the bike’s handling to a rider’s height. Powerful brakes deliver confident handling in all types of weather, and integrated mounts make it easy to add racks or fenders to suit your riding adventures.
KEY PERFORMANCE FACTORS
All-terrain versatility
With a mountain bike-style flat handlebar, suspension fork and powerful brakes, you can ride road or dirt with confidence.
Lightweight and durable
Frameset constructed with high-quality ALUXX aluminum.
Comfort and stability
Frame geometry puts the rider in a position that balances efficiency with stability on rough roads, paths or trails.
HIGHLIGHTS
With a rugged personality and a smooth riding style, ATX features the familiar flat handlebar look of a traditional mountain bike. It has a lightweight yet durable ALUXX aluminum frame and a suspension fork with 100mm of smooth travel to soak up bumps. The wheel diameter varies based on bike size, with 26-inch wheels on smaller frames and 27.5 on larger ones. This tailors the bike’s handling to a rider’s height. Additionally, integrated mounts make it easy to add racks or fenders to suit your riding adventures.
| S (27.5") | 162 cm - 170 cm |
| M (27.5") | 170 cm - 175 cm |
| L (27.5") | 175 cm - 185 cm |
| XL (27.5") | 185 cm - 193 cm |
| Letter | Part | S (27.5") | M (27.5") | L (27.5") | XL (27.5") |
| A | SEAT TUBE LENGTH (mm) | 420 | 455 | 505 | 535 |
| B | SEAT TUBE ANGLE | 73.5° | 73.0° | 73.0° | 73.0° |
| C | TOP TUBE LENGTH (mm) | 575 | 590 | 610 | 630 |
| D | HEAD TUBE LENGTH (mm) | 95 | 110 | 145 | 170 |
| E | HEAD TUBE ANGLE | 68.0° | 68.0° | 68.0° | 68.0° |
| F | FORK RAKE (mm) | 42 | 42 | 42 | 42 |
| G | TRAIL (mm) | 92.5 | 92.5 | 92.5 | 92.5 |
| H | WHEELBASE (mm) | 1080 | 1091 | 1114 | 1136 |
| I | CHAIN STAY LENGTH (mm) | 435 | 435 | 435 | 435 |
| J | BOTTOM BRACKET DROP (mm) | 50 | 50 | 50 | 50 |
| K | STACK (mm) | 581 | 595 | 628 | 651 |
| L | REACH (mm) | 403 | 408 | 418 | 431 |
| M | STAND OVER HEIGHT (mm) | 721 | 747 | 789 | 814 |
| N | HANDLEBAR WIDTH (mm) | 660 | 660 | 700 | 700 |
| O | STEM LENGTH (mm) | 70 | 70 | 90 | 90 |
| P | CRANK LENGTH (mm) | 170 | 170 | 175 | 175 |
| Q | WHEEL SIZE | 27.5" | 27.5" | 27.5" | 27.5" |
| Frame | ALUXX-Grade Aluminum |
| Fork | SR Suntour M3030A, 75mm, coil spring, QR, preload adjust |
| Shock | N/A |
| Handlebar | Giant Sport, 25.4 |
| Stem | Giant Sport |
| Seatpost | Giant Sport, 30.9 |
| Saddle | Giant Sport Custom |
| Pedals | Platform |
| Shifters | Shimano EF41 |
| Front Derailleur | Shimano Tourney |
| Rear Derailleur | Shimano Tourney |
| Brakes | linear pull, alloy |
| Brake Levers | Shimano EF41 |
| Cassette | Shimano TZ500, 7-speed, 14x34 |
| Chain | KMC Z7 |
| Crankset | ProWheel forged alloy, 24/34/42 |
| Bottom Bracket | cartridge |
| Rims | Giant CH17, alloy |
| Hubs | alloy, sealed bearing |
| Spokes | Stainless |
| Tires | Giant Quickcross, 26x2.2 or 27.5x2.2 |