On Sale

eGrade Bolt

Adding pedal assist to Bike Radar's gravel bike of the year? Yep. With the MAHLE ebikemotion drive unit and the Grade's floating seat stays you'll have all day comfort and confidence for whatever comes your way.

  • Ebikemotion 35+ with 250wh battery
  • Shimano GRX40000 2x10 drivetrain
  • WTB Nano 700x40c tires
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Frame

frame Grade Alloy Triple Triangle frame, Ebikemotion specific design, Internal Battery, Tapered Head Tube
sizes available SM, MD, LG
fork GT Grade E-Carbon, 1.5" Tapered Carbon Steerer, 12x100 Thru-Axle
wheel size 700c

Wheels

rims Shining, 32h
front hub Formula, 12x100mm, 32H
rear hub eBikemotion X35+, 32H
front tire WTB Nano Comp, 700 x 40
rear tire WTB Nano Comp, 700 x 40

Drivetrain

rear derailleur Shimano GRX
shifters Shimano GRX400, 10-speed
rear cogs Shimano HG500, 11-34T
chain KMC X10, 10-speed
crank Shimano GRX, 46/30
bottom bracket Shimano BSA RS500
chain device Chain Guide
pedals Not included

Cockpit

handlebar GT Butted 6061 Alloy, 16° Flare Drop
stem GT All Terra 3D Forged Alloy, 31.8
grips GT Grip Bar Tape w/Gel, 3.5mm
headset 1.5" Lower to 1-1/8" Upper w/ Reducer, 25mm Alloy Top Cap
seatpost GT All Terra Two Bolt Alloy
saddle Fabric Scoop Shallow/ Sport, Steel Rails

Brakes

brakes Shimano GRX 400 Hydro Disc, 160/160mmRT56 Rotors

E-Bike

drive unit MAHLE ebikemotion X35 250W
battery MAHLE ebikemotion X35 250Wh
charger X35 Charger
Please note that, based on component availability and other factors, specifications are subject to change without notice.

Fit Guide

XS
5'0 - 5'5"
SM
5'3" - 5'8"
MD
5'7" - 5'11"
LG
5'11" - 6'2"
XL
6'2" - 6'5"

Geometry

Sizes (mm) SM MD LG XL
Seat tube length 458 505 553 600
Seat tube angle effective 73 ° 73 ° 73 ° 73 °
Top tube horizontal 545 562 581 601
Top tube actual 523 542 562 585
Head tube angle 70 ° 71 ° 71 ° 71 °
Standover 741 782 822 862
Head tube length 124 150 183 214
Wheelbase 1062 1065 1086 1107
Front center 617 621 641 662
Chainstay length 455 455 455 455
Bottom bracket drop 75 75 75 75
Bottom bracket height 284 284 284 284
Fork rake 55 55 55 55
Stack 550 577 603 630
Reach 385 405 425 445
75mm

What is included with the bike?

  • Owners Manual
  • Tool Kit for assembly (Shipped Separately)
  • Pedals are NOT included

Tool Kit Includes:

  • Torque Key with 2-6mm & T25 Bits
  • Shock Pump
  • Pedal Wrench
  • Cable Cutters

How does the bike arrive?

Our simple assembly process makes it possible to use your skills to assemble your GT at home. GT bikes will arrive 80% assembled. To get out riding, you will need to first install handlebars, seatpost, front wheel, brake rotor (if applicable) and a set of pedals. Click here to learn more about how your bike will arrive. Also, please reference the owner’s manual, included with the bike, to ensure your bike is assembled properly.

Is this bike eligible for GT Connect?

Yes, this bike is eligible for GT Connect. You can have your new bike built for free at your local GT dealer or a bike shop near you. Click here to learn more.

Are the wheels tubeless compatible?

No, the wheels are not compatible with tubeless.

What headset is used on the eGrade?

The eGrade uses a Semi-Integrated, 1-1/8” - 1-1/2” headset.

What is the max rotor size for the front and rear brakes on the eGrade?

The native rear brake and max rotor size on the rear brake is a 160mm rotor. The front brake is compatible with 160/180mm rotors.

What derailleur hanger is used on the eGrade?

The derailleur hanger is a BT ST SS 077. (Part #K33050)

What is the max tire width on the eGrade?

The max tire width is a 47mm wide tire.

What bottom bracket is used on the eGrade?

The eGrade uses a BSA/68mm bottom bracket.

What battery is used on the eGrade?

The eGrade uses an E-Bike Motion X35 B1-C battery.

What drive system is used on the eGrade?

The eGrade uses a E-Bike Motion X35 M1-C drive system. Please click here to access the owners manual from E-Bike Motion.

What is the max rider weight on the eGrade?

The max rider weight is 305lbs/138kg.

Is touchup paint available?

Unfortunately, touchup paint is not available at this time as our paint codes are unique to our painter.

GT Tech Book

GT Owner's Manual