2025 Orbea Diem Base
- Category
- Comfort
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake, E-bike, Step-through
Geometry
S | M | L | XL | |
Stack | 601mm | 625mm | 649mm | 673mm |
Reach | 422mm | 438mm | 454mm | 470mm |
Stack to Reach Ratio | 1.42:1 | 1.43:1 | 1.43:1 | 1.43:1 |
Seat Tube Length, C-T | 442mm | 468mm | 490mm | 540mm |
Top Tube Length, Effective/Horizontal HT Top | 586mm | 610mm | 634mm | 659mm |
Top Tube Slope | 18deg | 17.2deg | 16.8deg | 14deg |
Head Tube Angle | 69deg | 69.5deg | 70deg | 70.5deg |
Seat Tube Angle | 74.7deg | 74.3deg | 74deg | 73.7deg |
Head Tube Length | 164.1mm | 187.4mm | 210.6mm | 233.7mm |
Bottom Bracket Drop | 82mm | 82mm | 82mm | 82mm |
Bottom Bracket Height | 279mm | 279mm | 279mm | 279mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 427.2mm | 427.2mm | 427.2mm | 427.2mm |
Front-Center | 679.8mm | 699.2mm | 718.3mm | 736.9mm |
Front-Center Horizontal | 674.8mm | 694.4mm | 713.6mm | 732.3mm |
Wheelbase | 1102mm | 1121.6mm | 1140.8mm | 1159.5mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm |
Fork Length (On-Axis) | 410mm | 410mm | 410mm | 410mm |
Trail | 85mm very high | 81.6mm very high | 78.2mm high | 74.8mm high |
Mechanical Trail | 79.4mm | 76.4mm | 73.5mm | 70.5mm |
Wheel Flop | 28.4mm | 26.8mm | 25.1mm | 23.5mm |
Standover Height | 672mm | 686mm | 700mm | 713mm |
Tire to Pedal Spindle | 148.8mm 170 mm cranks | 168.2mm 170 mm cranks | 187.3mm 170 mm cranks | 205.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 109mm 170 mm cranks | 109mm 170 mm cranks | 109mm 170 mm cranks | 109mm 170 mm cranks |
Base Build
S | M | L | XL | |
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 | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 722mm | 722mm | 722mm | 722mm |
Bike Length with Tires | 1824mm | 1843.6mm | 1862.8mm | 1881.5mm |
Published Sizing Recommendations
Height | 153 cm to 172 cm | 164 cm to 183 cm | 176 cm to 195 cm | 187 cm to 204 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
ComfortSource:https://www.orbea.com/de-de/ebikes/urban/diem/cat/diem-10