2021 Dolan Bikes Pre-Cursa Aluminum
- Category
- Track/Fixed-gear
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- N/A brake
Geometry
45cm | 45cm | 50cm | 52cm | 54cm | 56cm | 58cm | 60cm | 50cm | 52cm | 54cm | 56cm | 58cm | 60cm | |
Stack | — | 487.5mm | 503mm | 516.9mm | 539.5mm | 561.3mm | 580.6mm | 599.9mm | — | — | — | — | — | — |
Reach | — | 384.2mm | 396mm | 400.8mm | 408mm | 411.6mm | 412.8mm | 444.9mm | 384.2mm | 396mm | 400.8mm | 408mm | 411.6mm | 412.8mm |
Stack to Reach Ratio | — | 1.27:1 | 1.27:1 | 1.29:1 | 1.32:1 | 1.36:1 | 1.41:1 | 1.35:1 | — | — | — | — | — | — |
Seat Tube Length, C-T | — | 450mm | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm | 450mm | 500mm | 520mm | 540mm | 560mm | 580mm |
Top Tube Length, Effective/Horizontal Unknown | — | 498mm | 525.7mm | 535mm | 547.2mm | 555mm | 570mm | 608.8mm | 498mm | 525.7mm | 535mm | 547.2mm | 555mm | 570mm |
Top Tube Slope | — | 5.9deg | 2.2deg | 1.6deg | 1.9deg | 2.3deg | 2.3deg | 2.2deg | — | — | — | — | — | — |
Head Tube Angle | — | 71deg | 73deg | 73deg | 74deg | 75deg | 75deg | 75deg | 71deg | 73deg | 73deg | 74deg | 75deg | 75deg |
Seat Tube Angle | — | 76deg | 75deg | 75deg | 75deg | 74deg | 74deg | 74deg | 76deg | 75deg | 75deg | 75deg | 74deg | 74deg |
Head Tube Length | — | 95mm | 105mm | 120mm | 140mm | 160mm | 180mm | 200mm | 95mm | 105mm | 120mm | 140mm | 160mm | 180mm |
Bottom Bracket Height | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Trail | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Aluminum Build
45cm | 45cm | 50cm | 52cm | 54cm | 56cm | 58cm | 60cm | 50cm | 52cm | 54cm | 56cm | 58cm | 60cm | |
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 | 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 | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Width Max | — | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | — | — | — | — | — | — |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Crank Length | — | 165mm | 165mm | 165mm | 165mm | 165mm | 165mm | 170mm | — | — | — | — | — | — |
Handlebar Width | — | 38cm | 40cm | 40cm | 42cm | 42cm | 42cm | 44cm | — | — | — | — | — | — |
Stem Length | — | 7cm | 8cm | 9cm | 10cm | 11cm | 12cm | 12cm | — | — | — | — | — | — |
Published Sizing Recommendations
Height | — | 4 ft 10 in to 5 ft 2 in | 5 ft 2 in to 5 ft 4 in | 5 ft 4 in to 5 ft 6 in | 5 ft 6 in to 5 ft 9 in | 5 ft 9 in to 5 ft 11 in | 5 ft 11 in to 6 ft 1 in | 6 ft 1 in to 6 ft 5 in | — | — | — | — | — | — |
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
Track/Fixed-gearSource:https://www.dolan-bikes.com/pre-cursa/, https://www.dolan-bikes.com/dolan-pre-cursa-aluminium-frameset/