2023 Basso Bikes Astra Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Very upright stack and reachvs category |
Geometry
45 | 48 | 51 | 53 | 56 | 58 | 58 | 61 | |
Stack | 538.9mm | 538.9mm | 563.4mm | 575.9mm | 602.4mm | 625.4mm | 625.4mm | 650.4mm |
Reach | 371.1mm | 371.1mm | 374.5mm | 380.4mm | 382.1mm | 384.4mm | 384.4mm | 385.5mm |
Stack to Reach Ratio | 1.45:1 | 1.45:1 | 1.5:1 | 1.51:1 | 1.58:1 | 1.63:1 | 1.63:1 | 1.69:1 |
Seat Tube Length, C-T | 450mm | 480mm | 510mm | 530mm | 560mm | 580mm | 580mm | 610mm |
Top Tube Length, Effective/Horizontal Center | — | — | — | — | — | — | 575mm | — |
Top Tube Length, Effective/Horizontal Unknown | 505mm | 515mm | 525mm | 545mm | 560mm | 575mm | — | 590mm |
Top Tube Slope | 12deg | 8.6deg | 8deg | 7.2deg | 6.9deg | 7.3deg | 7.3deg | 6.9deg |
Head Tube Angle | 71.8deg | 71.8deg | 72deg | 72.3deg | 73.5deg | 73.5deg | 73.5deg | 74deg |
Seat Tube Angle | 76deg | 75deg | 75deg | 74deg | 73.5deg | 73deg | 73deg | 72.5deg |
Head Tube Length | 125mm | 125mm | 150mm | 162mm | 180mm | 204mm | 204mm | 228mm |
Bottom Bracket Height | — | — | — | — | — | — | — | — |
Chainstay Length | 404mm | 404mm | 404mm | 404mm | 406mm | 410mm | 410mm | 410mm |
Front-Center | 576.9mm | 576.9mm | 586.4mm | 593.2mm | 590mm | 599mm | 599mm | 602mm |
Trail | — — | — — | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — | — | — |
Tire to Pedal Spindle | 67.9mm 170 mm cranks | 67.9mm 170 mm cranks | 77.4mm 170 mm cranks | 84.2mm 170 mm cranks | 81mm 170 mm cranks | 90mm 170 mm cranks | 85mm 175 mm cranks | 93mm 170 mm cranks |
Base Build
45 | 48 | 51 | 53 | 56 | 58 | 58 | 61 | |
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 | 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 | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Width Max | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm | 34mm | 35mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Crank Length | — | — | — | — | — | — | 175mm | — |
Handlebar Width | 400mm | 400mm | 420mm | 420mm | 420mm | 420mm | 420mm | 440mm |
Stem Length | 90mm | 90mm | 100mm | 110mm | 110mm | 120mm | — | 120mm |
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
Endurance RoadSource:https://bassobikes.com/en/bikes/road-bikes/astra