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GT Grade Sport Bike
Escape from the ordinary
For riding everything from forgotten gravel roads to groomed singletrack, this third-generation GT Grade has the capability to take you anywhere you want to go and get you there fast. This redesigned Grade improves upon the previous generations with an updated Triple Triangle™ design, using comfort-enhancing floating seat stays that provide 30mm of “Gravel Travel”, to direct the vibration from mixed-surface riding away from the rider. This alloy frame boasts more tire clearance, and more capability for off-road adventures, letting you have more fun no matter where your ride takes you.
The GT Grade Sport Bike is outfitted to take you on roads that may have seemed previously inaccessible. The Grade Carbon fork features a trio of mounting points on either side for added storage while shaving away grams for added efficiency. The MicroShift Avent X 10-speed drivetrain offers precise, reliable shifting over rough terrain, while ProMax DSK-330 mechanical disc brakes increase stopping power in challenging conditions. A set of the famed WTB Riddler tires on WTB ST i23 rims with Formula hubs keep things rolling smoothly on any surface.
Features
- Triple Triangle™ frame design uses floating seat stays to redirect vibration away from the rider, boasting 30mm of “Gravel Travel”
- Wide tire clearance allows you to run your favorite gravel tire to tackle any terrain
- Durable aluminum frame with a Grade Carbon Fork for reduced weight and a smooth ride
- Loaded with mounting points including bottle cage mounts on the fork and versatile mounts on the top tube, letting you bring all you need for a multi-day adventure
| Frame | Grade Alloy |
|---|---|
| Fork | Grade Carbon Fork, Tapered 1.5 Head Tube, Flat Mount Disc |
| Headset | FSA No.42 ACB |
| Shifters | MicroShift Dual Control Avant X |
| Front Derailleur | None |
| Rear Derailleur | MicroShift Avant X w/Clutch (10-speed) |
| Crankset | ProWheel Charm, 40t |
| Bottom Bracket | BSA Square Taper |
| Chain | KMC X10 – 10-Speed |
| Cassette | MicroShift CS-G104, 11-48t, 10-Speed |
| Brakes | PROMAX DSK-330 Mechanical Disc,160mm Rotors |
| Wheelset | WTB ST i23 TCS 2.0 Tubeless Ready rims – Formula CRX-512 (Front) Formula DC-142 (Rear) hubs |
| Tires | WTB Riddler, 700 x 37c, Wire Bead |
| Handlebar | GT DropTune RS, Alloy, 10° Flare |
| Stem | GT 3D Forged SL Alloy, 31.8 |
| Bar Tape | GT Gravel Grip Premium Tape |
| Seatpost | GT Alloy, 27.2 x 350mm (44-58), 400mm (61) |
| Seatclamp | Bolt-on |
| Saddle | GT Pavement – Steel Rails |
| Intended Use | Gravel, Road |
Note: Components are subject to change without notice.
| Size | XS | Small | Medium | Large | XL |
|---|---|---|---|---|---|
| A: Seat Tube Length | 400 | 450 | 500 | 550 | 600 |
| B: Effective Top Tube | 529 | 553 | 581 | 609 | 638 |
| C: Stack | 535 | 550 | 577 | 603 | 630 |
| D: Reach | 365 | 385 | 405 | 425 | 445 |
| E: BB Height | 284 | 284 | 284 | 284 | 284 |
| F: BB Drop | 75 | 75 | 75 | 75 | 75 |
| G: Head Tube Length | 94 | 106 | 134 | 162 | 191 |
| H: Head Tube Angle | 69 ° | 70 ° | 70 ° | 70 ° | 70 ° |
| I: Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| J: Standover Height | 692 | 727 | 765 | 805 | 837 |
| K: Chainstay Length | 440 | 440 | 440 | 440 | 440 |
| L: Wheelbase | 1034 | 1050 | 1080 | 1109 | 1139 |
| Crank Arm Length | – mm | – mm | – mm | – mm | – mm |
| Stem Length | – mm | – mm | – mm | – mm | – mm |
| Handlebar Width | – mm | – mm | – mm | – mm | – mm |
| Frame Size | XS | Small | Medium | Large | XL |
|---|---|---|---|---|---|
| Rider Height | cm | cm | cm | cm | cm |
| Size | XS | Small | Medium | Large | XL |
|---|---|---|---|---|---|
| A: Seat Tube Length | 15.7 | 17.7 | 19.7 | 21.7 | 23.6 |
| B: Effective Top Tube | 20.8 | 21.8 | 22.9 | 24.0 | 25.1 |
| C: Stack | 21.1 | 21.7 | 22.7 | 23.7 | 24.8 |
| D: Reach | 14.4 | 15.2 | 15.9 | 16.7 | 17.5 |
| E: BB Height | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 |
| F: BB Drop | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 |
| G: Head Tube Length | 3.7 | 4.2 | 5.3 | 6.4 | 7.5 |
| H: Head Tube Angle | 69.0 ° | 70.0 ° | 70.0 ° | 70.0 ° | 70.0 ° |
| I: Seat Tube Angle | 73.0 ° | 73.0 ° | 73.0 ° | 73.0 ° | 73.0 ° |
| J: Standover Height | 27.2 | 28.6 | 30.1 | 31.7 | 33.0 |
| K: Chainstay Length | 17.3 | 17.3 | 17.3 | 17.3 | 17.3 |
| L: Wheelbase | 40.7 | 41.3 | 42.5 | 43.7 | 44.8 |
| Crank Arm Length | – | – | – | – | – |
| Stem Length | – | – | – | – | – |
| Handlebar Width | – | – | – | – | – |
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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate “DEHP”), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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