2021 Diamant 247 TRA
- Category
- Commuter
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake, Single-speed capable, Step-through
Geometry
S | M | L. | |
Stack | 602mm | 619mm | 644mm |
Reach | 382mm | 385mm | 394mm |
Stack to Reach Ratio | 1.58:1 | 1.61:1 | 1.63:1 |
Seat Tube Length, C-T | 450mm | 500mm | 550mm |
Top Tube Length, Effective/Horizontal HT Top | 560mm | 574mm | 591mm |
Top Tube Slope | 18.5deg | 14.9deg | 12deg |
Head Tube Angle | 70deg | 70.5deg | 71deg |
Seat Tube Angle | 73.5deg | 73deg | 73deg |
Head Tube Length | 125mm | 145mm | 170mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm |
Bottom Bracket Height | 281mm | 281mm | 281mm |
Chainstay Length | 470mm | 470mm | 470mm |
Chainstay Length Horizontal | 464.8mm | 464.8mm | 464.8mm |
Front-Center | 627.2mm | 631.1mm | 643.1mm |
Front-Center Horizontal | 623.2mm | 627.2mm | 639.2mm |
Wheelbase | 1088mm | 1092mm | 1104mm |
Fork Offset/Rake | 45mm | 45mm | 45mm |
Trail | 79.9mm high | 76.6mm high | 73.3mm high |
Mechanical Trail | 75.1mm | 72.2mm | 69.3mm |
Wheel Flop | 25.7mm | 24.1mm | 22.6mm |
Tire to Pedal Spindle | 106.2mm 170 mm cranks | 110.1mm 170 mm cranks | 122.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks |
TRA Build
S | M | L. | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 40mm | 40mm | 40mm |
Tire Outer Diameter | 702mm | 702mm | 702mm |
Bike Length with Tires | 1790mm | 1794mm | 1806mm |
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
CommuterSource:https://www.diamantrad.com/bike/247-tra-2021/