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2025 Trenga

GLS 9.0

An aluminum frame gravel bike with high-end components and shimano grx 800 hydraulic disc brakes.
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Manufacturer Price

€2,899($3,373)
Weight27.3 lbs  
FrameAluminum
SuspensionFull, 89mm rear
ForkAluminum
Wheels700c Aluminum
Drivetrain2 × 12
GroupsetGRX 800
BrakesShimano GRX 800 Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
GLS 9.0
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)

38 mph

GLS 9.0

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 ST-5 Flow, combines comfort with sporty design, FLOW opening relieves pressure on the perineal area, gel padding with Soft-Tek cover, Hi-Viz inserts increase visibility in the dark

Seatpost

TRENGA aluminum rigid, diameter: 27.2 mm, length: 300 mm, clamping: 2-way, offset: 18 mm

TypeRigid

Pedals

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

Groupset
Front Derailleur

Shimano GRX FD-RX820, Lighter and smoother shifting, Direct mount, Chainstay angle: 63-66°, Chainline: 47 mm, Largest chainring: 48 teeth, Increased tire clearance

Crank

Shimano GRX FC-RX820-2, 48-31 teeth, crank length: 170 mm or 175 mm depending on frame size, Q-factor: 151 mm, lightweight and stiff thanks to HOLLOWTECH II design, wide gear range

Shifters

Shimano GRX RD-RX820, Shadow RD Plus design for optimal chain guidance, smooth, precise and quiet shifting, adjustable chain stabilizer for different terrain, largest sprocket max. 36 teeth

Cassette

Shimano CS-HG710-12, 12-speed HYPERGLIDE, gear ratio: 11-12-13-14-15-17-19-21-24-28-32-36

Chain

Shimano CN-M7100, 12-speed HYPERGLIDE+, SIL-TEC coating for longer durability

Brakes

Shimano GRX 820 hydraulic disc brake, powerful and finely adjustable thanks to Servo-Wave, reach and pressure point adjustments, ICE technologies, brake lever: ST-RX820 Dual Control, brake caliper: BR-RX820 2-piston, brake pads: K05S-RX Resin

TypeShimano GRX 800 Hydraulic Disc

Wheels
Rims

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

Spokes

Sapim Race, Material: Stainless steel, Diameter: 2.0 / 1.8 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 Line Brake Plus, LED rear light with brake and parking light, LINE-TEC for wide-area visibility, integrated Z-large reflector

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

Tubus Vega Evo, load capacity: 25 kg, tube diameter: 10 mm, spring clamp optionally available, material: steel

Bell

Bell Mounty Toby Alu 31.8 mm, Material: Aluminum, Especially for racing handlebar attachment, Light and sonorous

Rider Notes
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First added October 4

Last updated May 23