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2026 Trenga

GLG 4.0

An aluminum frame gravel bike with mid-range components and shimano hydraulic disc brakes.
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Manufacturer Price

€1,299($1,511)
Weight24.5 lbs  
FrameAluminum
SuspensionFull, 89mm rear
ForkAluminum
Wheels700c Aluminum
Drivetrain2 × 8
GroupsetClaris
BrakesShimano Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
GLG 4.0
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)

39 mph

GLG 4.0

36 mph

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Highest gear

(descending)

Spec Level

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

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Price History
Geometry
Specs
Build
Frame

Aluminium 6061 TFW, bottom bracket: Press-Fit 89 mm, axle mount: thru-axle 12x142 mm, tire clearance: 35 mm with fenders/40 mm without, cable routing: partially integrated, brakes: flat mount, fender and rack mounts, front derailleur mount: clamp

BB StandardBB86/BB92, Press Fit

Tire Clearance35c

Fork

Aluminium TDE 3.5, axle mount: 12x100 mm thru-axle, steerer tube: 1 1/8" to 1.5", disc brake mount: flat mount, lowrider eyelets, max. tire width: 37 mm with fenders/40 mm without

Bottom Bracket

Shimano SM-BB72-41B, High stiffness thanks to HOLLOWTECH II, Reliable, particularly durable bearings, Press-Fit installation (41x24 mm)

Stem

TRENGA rigid aluminum, length: depending on frame size, steerer clamp diameter: 28.6 mm, handlebar clamp diameter: 31.8 mm, angle: ± 6°

Handlebar

TRENGA, Width: depending on frame size, Handlebar clamp Ø: 31.8 mm, Reach: 80 mm, Drop: 127 mm

Saddle

Selle Italia X3 XP, lightweight and comfortable, easy-care microfiber surface

Seatpost

TRENGA aluminum rigid, diameter: 27.2 mm, length: 350 mm, clamping: 2-fold, offset: 10 mm

TypeRigid

Groupset
Front Derailleur

Shimano Claris FD-R2000, Easy to use, Clamp: 31.8 mm, Chainstay angle: 61-66°, Chainline: 43.5 mm, Largest chainring: 46-52 teeth

Crank

Shimano FC-R2000, 50-34 teeth, crank length: 170 mm or 175 mm, depending on frame height, Q-factor: 150 mm

Shifters

Shimano Claris RD-R2000 GS, smooth shifting, largest sprocket max. 34 teeth

Cassette

Shimano CS-HG41, 8-speed HYPERGLIDE, gear ratios: 11-13-15-17-20-23-26-34

Chain

Shimano CN-HG71, 6,7,8-speed compatible, HYPERGLIDE, e-bike compatible

Brakes

Shimano BR-RS 305 mechanical brakes, easily modulated, stable braking, easy maintenance, ICE-Tech cooling technology

TypeShimano Hydraulic Disc

Wheels
Rims

Ryde Rival 19 Disc, lightweight all-round rim, 32 holes, ETRTO: 19-622

Spokes

Sapim Leader, Material: Stainless steel, Diameter: 2.0 mm, Color: Black

Tires

Schwalbe G-One Allround Bronze, size: 40-622, smooth-rolling and low-vibration gravel tire, versatile tread pattern with secure off-road grip, RaceGuard puncture protection, highly durable ADDIX compound, Tubeless Easy

Rider Notes
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First added December 20

Last updated May 30