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2025 Trenga

GLS 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)
Weight27.8 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
GLS 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

GLS 4.0

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.

Compare the full GLS model range

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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: 640 mm, handlebar clamp Ø: 31.8 mm, backsweep: 9°

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

Pedals

TRENGA HPL Platform, non-slip tread for more safety, aluminum pedal body, reflectors

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-HG50, 8-speed HYPERGLIDE, gear ratios: 11-13-15-17-19-21-24-28

Chain

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

Brakes

Shimano MT201, hydraulic disc brake, reliable entry-level brake, comfortable even for smaller hands, comfortable 3-finger brake lever, brake caliper: BR-UR300 2-piston, brake pad: B05S-RX Resin

TypeShimano Hydraulic Disc

Wheels
Rims

Ryde Rival 19 Disc, lightweight all-round rim, ideal for trekking and touring, 32 holes, ETRTO: 19-622

Spokes

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

Tires

Continental Contact Urban, Size: 35-622, Low-rolling and puncture-resistant urban tire, reflective stripe, handcrafted

Accessories
Lights

Busch & Müller Toplight Mini Plus, LED rear light, parking light, Z-reflector, compact design for flexible mounting

Fenders

SKS Bluemels matte black, aluminum/plastic sandwich construction, robust, rigid, and corrosion-resistant, ASR safety system, width: 45 mm, max. tire width: 37 mm

Racks

Racktime Light-It, SNAPIT compatible, lightweight, slim, elegant, load capacity: 20 kg, spring clamp easily retrofittable, material: aluminum

Bell

TRENGA Single Bell, Material: Aluminum, Rotatable Bell Clapper, Loud and sonorous

Rider Notes
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First added October 4

Last updated May 23