138
diamant
Crosscountry
138 is an alloy electric cross-country mountain bike (2023), by Diamant. It is best suited to a wide range of riders thanks to its fit flexibility, with a setup that gives you a balanced riding position, while being best for smoother trails and efficient rolling. Based on the metrics, key strengths are good fit flexibility for dialing in rider position, balanced, versatile speed for everyday riding, and battery support that suits regular day-to-day rides. Compared with more specialized alternatives, the compromise is a firmer ride feel than comfort-first options. Add this bike to compare on MatchBikes.com and see how it stacks up against similar cross-country models.
Rating

Score Summary
Performance
Built for speed and efficiency
Fit
Dialed-in Fit & Comfort
Value
Battery
Specifications
General
Frame
Drivetrain
Wheels
Brakes
Cockpit
Seat
E-Bike Components
Geometry
| Measurement | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.581 mm | 1.617 mm | 1.638 mm |
| Bottom Bracket Height | 349 mm | 349 mm | 349 mm |
| Front Center | 63 mm | 64 mm | 65 mm |
| Rake | 8.9 mm | 8.6 mm | 8.3 mm |
| Trail | 132 mm | 129 mm | 125 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 450 mm | 500 mm | 550 mm |
| Head Tube Angle | 69 ° | 69.5 ° | 70 ° |
| Bottom Bracket Drop | 6 mm | 6 mm | 6 mm |
| Wheels | 27" | 27" | 27" |
| Rider Min Height | 154 cm | 164 cm | 174 cm |
| Rider Max Height | 167 cm | 177 cm | 187 cm |





















































