Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2026 Diamant

140 (Stepover)

A 29″ aluminum frame hardtail crosscountry bike with high-end components.

Manufacturer Price

€1,899($2,208)
Weight32.4 lbs  
FrameAluminum
SuspensionHardtail, 75mm
ForkSuntour
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGRX 800
BrakesShimano GRX 400 Hydraulic Disc
View on trekbikes.comLearn about Diamant
Similar Bikes
Top Comparison
Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
140 (Stepover)
Other Crosscountry 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

140 (Stepover)

27 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.

Sizing
54cm

5'8" – 6'2"

58cm

6'0" – 6'6"

62cm

6'5" – 6'8"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Price History
Geometry
Specs
Build
Frame

Alpha Smooth Aluminium, internal cable routing, post-mount disc, replaceable dropouts, belt split, ringlock mount

ColorMokkalatte Duotone

Fork

SR Suntour NCX32, coil spring, 75 mm suspension

Travel75mm

Spring TypeCoil

Headset

FSA Integrated, sealed cartridge bearing, 1-1/8" top, 1.5" bottom

Stem

Bontrager Stem Elite, 70mm 7 degree, 31.8mm, Black - M: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length; M: Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length; L: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length; XL: Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length; XXL: Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length

Handlebar

Bontrager Elite Alloy Gravel IsoZone Handlebar, 42cm, With Di2 Routing. IsoZone Pads are not included - M: Bontrager Elite Gravel, alloy, 42 cm width; L, XL, XXL: Bontrager Elite Gravel, alloy, 44 cm width

Saddle

Brooks C17 Cambium Bold

Seatpost

Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length

TypeRigid

Pedals

VP-536 nylon platform

Groupset
Rear Derailleur

Shimano GRX RX822, long cage

Crank

ProWheel alloy, 42T, 175 mm

Cassette

Shimano SLX M7100, 10-51T, 12-speed

Chain

Shimano SLX M7100, 12-speed

Brakes

Shimano GRX RX610 brake shift lever with hydraulic disc GRX RX410

TypeShimano GRX 400 Hydraulic Disc

Wheels
Rims

Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve

Spokes

14 g stainless steel, black

Front Hub

Shimano Tourney HB-QC300, centerlock

Rear Hub

Shimano FH-QC500-MS, 32-hole, CentreLock, 12-speed, 135x5 mm

Tires

Schwalbe Nobby Nic with bronze sidewall, foldable, Tubeless Easy, Evolution Line, Super Ground Compound, 62-584, 27.5" x 2.4"

Disc Rotors

Shimano RT30, CentreLock, 180 mm

Accessories
Racks

Racktime Viewit

Rider Notes
Riders Also Viewed

First added May 24

Last updated May 30