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

See Full Spec

SM MD LG XL

Color

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

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

EN FR DE IT DU

Download PDF

All Gravel

Since its introduction in 2014, Grade has pushed the boundaries of adventure riding. The first ever purpose-built carbon gravel bike, made major waves when it was launched, winning multiple industry awards. In 2019, we pushed it even further, redesigning the frame with our floating Triple Triangle™ seatstays, and once again, the accolades poured in, being named Gravel Bike of the Year from BikeRadar and Bike Rumor. Pretty sweet laurels, right? Well we’re not resting on em! The 3rd generation gravel-pioneering Grade once again claimed BikeRadars Gravel Bike of the Year and is more capable than ever, with a new frame, featuring 30mm of “Gravel Travel”, evolved geometry, increased tire clearance, internal cable routing, and plenty of frame protection for when the road ends and the fun begins.

Gravel

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eGrade Bolt

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