2026 Diamant Nhoma Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake
Geometry
M | L | XL | XXL | |
Stack | 575mm | 598mm | 626mm | 626mm |
Reach | 385mm | 393mm | 407mm | 420mm |
Stack to Reach Ratio | 1.49:1 | 1.52:1 | 1.54:1 | 1.49:1 |
Seat Tube Length, C-T | 500mm | 540mm | 580mm | 620mm |
Top Tube Length, Effective/Horizontal HT Top | 582mm | 597mm | 620mm | 633mm |
Top Tube Slope | 10.3deg | 8.4deg | 7.1deg | 3.2deg |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 145mm | 170mm | 200mm | 200mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 283mm | 283mm | 283mm | 283mm |
Chainstay Length | 468mm | 468mm | 468mm | 468mm |
Chainstay Length Horizontal | 462.7mm | 462.7mm | 462.7mm | 462.7mm |
Front-Center | 658mm | 674.9mm | 698.8mm | 711.7mm |
Front-Center Horizontal | 654.3mm | 671.3mm | 695.3mm | 708.3mm |
Wheelbase | 1117mm | 1134mm | 1158mm | 1171mm |
Fork Offset/Rake | 90mm | 90mm | 90mm | 90mm |
Trail | 39.1mm low | 39.1mm low | 39.1mm low | 39.1mm low |
Mechanical Trail | 36.5mm | 36.5mm | 36.5mm | 36.5mm |
Wheel Flop | 13.1mm | 13.1mm | 13.1mm | 13.1mm |
Tire to Pedal Spindle | 130mm 175 mm cranks | 146.9mm 175 mm cranks | 170.8mm 175 mm cranks | 183.7mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 108mm 175 mm cranks | 108mm 175 mm cranks | 108mm 175 mm cranks | 108mm 175 mm cranks |
Base Build
M | L | XL | XXL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 42mm | 42mm | 42mm | 42mm |
Tire Outer Diameter | 706mm | 706mm | 706mm | 706mm |
Bike Length with Tires | 1823mm | 1840mm | 1864mm | 1877mm |
Crank Length | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 440mm | 440mm | 440mm | 440mm |
Stem Length | 100mm | 100mm | 100mm | 100mm |
Stem Angle | 7deg | 7deg | 7deg | 7deg |
Published Sizing Recommendations
Height | 165 cm to 175 cm | 175 cm to 186 cm | 186 cm to 197 cm | 197 cm to 203 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
All-road/GravelSource:https://www.diamantrad.com/en-GB/bike/nhoma-stepover/