diamant 140 (Stepover) 2026
2026 Mountain
Estimate price |
2,344$
Weight | 14.7 kg 
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Travel Front 75mm -
Fork Suntour
-
Groupset GRX 800 -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Shimano GRX 600 Hydraulic Disc
Sizing
Recommended size guide.
50cm
165cm - 176cm
54cm
174cm - 187cm
58cm
185cm - 198cm
62cm
196cm - 203cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Alpha Smooth Aluminum, internal cable routing, post-mount disc, replaceable dropouts, belt split, ringlock mount
Suspension Fork
SR Suntour NCX32, coil spring, 75 mm suspension
Drivetrain
Rear Derailleur
Shimano GRX RX822, long cage
Cassette
Shimano SLX M7100, 10-51T, 12-speed
Crank
ProWheel alloy, 42T, 175 mm
Chain
Shimano SLX M7100, 12-speed
Pedals
VP-536 nylon platform
Wheels
Front Hub
Shimano Tourney HB-QC300, centerlock
Rear Hub
Shimano FH-QC500-MS, 32-hole, CentreLock, 12-speed, 135x5 mm QR
Rims
Bontrager Kovee, double-wall, Tubeless-Ready, 32-hole, 23 mm width, Presta valve
Spokes
14 g stainless steel, black
Tires
Schwalbe Nobby Nic with bronze sidewall, foldable, Tubeless Easy, Evolution Line, Super Ground Compound, 62-584, 27.5" x 2.4"
Brakes
Brakes
Shimano GRX RX610 brake shift lever with hydraulic disc GRX RX410
Cockpit
Stem
Size: M, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 70 mm length; Size: M, Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length; Size: L, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 80 mm length; Size: XL, Bontrager Elite, 31.8 mm, Blendr-compatible, 7-degree, 90 mm length; Size: XXL, Bontrager Elite, 31.8 mm clamp, Blendr-compatible, 7-degree, 100 mm length
Handlebar
Size: M, Bontrager Elite Gravel, alloy, 42 cm width; Size: L, XL, XXL, Bontrager Elite Gravel, alloy, 44 cm width
Headset
Integrierter FSA-Steuersatz, gedichtetes Patronenlager, 1 1/8" oben, 1,5" unten
Seat
Saddle
Brooks C17 Cambium Bold
Seatpost
Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 50cm | 54cm | 58cm | 62cm |
|---|---|---|---|---|
| Stack Reach Ratio | 1.494 mm | 1.522 mm | 1.538 mm | 1.49 mm |
| Bottom Bracket Height | 291 mm | 291 mm | 291 mm | 291 mm |
| Front Center | 658 mm | 675 mm | 699 mm | 712 mm |
| Rake | 70 mm | 71 mm | 70 mm | 70 mm |
| Trail | 90 mm | 90 mm | 90 mm | 90 mm |
| Stack | 575 mm | 598 mm | 626 mm | 626 mm |
| Reach | 385 mm | 393 mm | 407 mm | 420 mm |
| Top Tube Length | 582 mm | 597 mm | 620 mm | 633 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 500 mm | 540 mm | 580 mm | 620 mm |
| Head Tube Angle | 69 ° | 69 ° | 69 ° | 69 ° |
| Head Tube Length | 145 mm | 170 mm | 200 mm | 200 mm |
| Chainstay Length | 468 mm | 468 mm | 468 mm | 468 mm |
| Wheelbase | 1117 mm | 1134 mm | 1158 mm | 1171 mm |
| Bottom Bracket Drop | 70 mm | 70 mm | 70 mm | 70 mm |
| Standover Height | 789 mm | 824 mm | 863 mm | 874 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 165 cm | 174 cm | 185 cm | 196 cm |
| Rider Max Height | 176 cm | 187 cm | 198 cm | 203 cm |