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2026 Opus

ZENITH GRX12

An aluminum frame gravel e-bike with high-end components and shimano grx 400 hydraulic disc brakes.

Manufacturer Price

CA$4,999($3,621)
Weight31.1 lbs  
FrameAluminum
SuspensionRigid
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 12
GroupsetGRX 800, GRX 600
Motor245W 40Nm hub-drive
Battery250Wh
BrakesShimano GRX 400 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
ZENITH GRX12
Other Gravel bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

36 mph

ZENITH GRX12

36 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Price History
Geometry
Specs
Build
Frame

Gravel capable aluminum frame

BB StandardBB86/BB92, Press Fit

Tire Clearance45c

ColorMidnight Green

Fork

Full carbon tapered 1-1/2 to 1-1/8 in

Bottom Bracket

Shimano sealed PF86

Headset

FSA integrated sealed

Stem

FSA Gossamer +/-6°

Handlebar

FSA NS Adventure compact 12° flare

Saddle

Opus Gravel

Seatpost

FSA Gossamer 27.2 x 350 mm

TypeRigid

Pedals

N/A

Groupset
Rear Derailleur

Shimano FD-RX820

Front Derailleur

Shimano RD-RX820

Crank

Shimano FC-RX610

Shifters

Shimano ST-RX610 2x12

Cassette

Shimano 11-34

Chain

Shimano M6100 HG 12s

Brakes

Shimano RX 400 flat mount hydraulic disc

TypeShimano GRX 400 Hydraulic Disc

Brake Levers

Complete Shimano GRX 12 speed hydraulic groupset

Wheels
Rims

FSA Team 30 i23

Front Hub

FSA 12 x 100 mm / 12 x 142mm

Rear Hub

FSA 12 x 100 mm / 12 x 142mm

Tires

Vittoria Terreno T50 Mixed Gravel Endurance 700x40c

Electric Components
Motor

FSA HM2.0 245W 40Nm hub motor

Battery

FSA e-system 250Wh 36V 6.8Ah battery, Optional 180Wh 36V 4.8Ah range extender battery, adding 50km of range, FSA e-system HM.2 & 250Wh integrated battery

Rider Notes
Riders Also Viewed

First added April 29

Last updated May 30