2025 Bike Ahead Composites Hardtail THE FRAME
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Suspension
- 100mm fork travel
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | S | L | L | M | M | XL | XL | |
Stack | 607mm | 607mm | 607mm | 607mm | 620mm | 620mm | 635mm | 635mm |
Reach | 405mm | 405mm | 430mm | 430mm | 455mm | 455mm | 480mm | 480mm |
Stack to Reach Ratio | 1.5:1 | 1.5:1 | 1.41:1 | 1.41:1 | 1.36:1 | 1.36:1 | 1.32:1 | 1.32:1 |
Seat Tube Length, Unknown | 400mm | 400mm | 430mm | 430mm | 470mm | 470mm | 520mm | 520mm |
Top Tube Length, Effective/Horizontal HT Top | 579mm | 579mm | 604mm | 604mm | 633mm | 633mm | 662mm | 662mm |
Top Tube Slope | 23.4deg | 23.4deg | 19.5deg | 19.5deg | 16.1deg | 16.1deg | 12.2deg | 12.2deg |
Head Tube Angle | 68.5deg | 68.5deg | 68.5deg | 68.5deg | 68.5deg | 68.5deg | 68.5deg | 68.5deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 77mm | 95mm | 77mm | 95mm | 91mm | 110mm | 107.1mm | 125mm |
Bottom Bracket Drop | 63mm | 63mm | 63mm | 63mm | 63mm | 63mm | 63mm | 63mm |
Bottom Bracket Height | 9.9mm | 306.4mm | 306.4mm | 306.4mm | 9.9mm | 306.4mm | 306.4mm | 306.4mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 530mm | 430mm |
Chainstay Length Horizontal | 425.4mm | 425.4mm | 425.4mm | 425.4mm | 425.4mm | 425.4mm | 526.2mm | 425.4mm |
Front-Center | 667.6mm | 667.6mm | 692.5mm | 692.5mm | 722.4mm | 722.4mm | 652.8mm | 753.3mm |
Front-Center Horizontal | 664.6mm | 664.6mm | 689.6mm | 689.6mm | 719.6mm | 719.6mm | 649.8mm | 750.6mm |
Wheelbase | 1090mm | 1090mm | 1115mm | 1115mm | 1145mm | 1145mm | 1176mm | 1176mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Fork Length, Unknown | 506mm | 506mm | 506mm | 506mm | 506mm | 506mm | 506mm | 506mm |
Trail | -16.4mm | 100.4mm very high | 100.4mm very high | 100.4mm very high | -16.4mm | 100.4mm very high | 100.4mm very high | 100.4mm very high |
Mechanical Trail | -15.3mm | 93.4mm | 93.4mm | 93.4mm | -15.3mm | 93.4mm | 93.4mm | 93.4mm |
Wheel Flop | -5.6mm | 34.2mm | 34.2mm | 34.2mm | -5.6mm | 34.2mm | 34.2mm | 34.2mm |
Tire to Pedal Spindle | 424.7mm 170 mm cranks | 128.2mm 170 mm cranks | 153.1mm 170 mm cranks | 153.1mm 170 mm cranks | 479.5mm 170 mm cranks | 183mm 170 mm cranks | 113.4mm 170 mm cranks | 213.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | -160.1mm 170 mm cranks | 136.4mm 170 mm cranks | 136.4mm 170 mm cranks | 136.4mm 170 mm cranks | -160.1mm 170 mm cranks | 136.4mm 170 mm cranks | 136.4mm 170 mm cranks | 136.4mm 170 mm cranks |
THE FRAME Build
S | S | L | L | M | M | XL | XL | |
Wheel Size | 29mm BSD 29 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 29mm BSD 29 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 145.8mm | 738.8mm | 738.8mm | 738.8mm | 145.8mm | 738.8mm | 738.8mm | 738.8mm |
Bike Length with Tires | 1235.8mm | 1828.8mm | 1853.8mm | 1853.8mm | 1290.8mm | 1883.8mm | 1914.8mm | 1914.8mm |
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
Hardtail Trail MTBSource:https://bike-ahead-composites.de/products/hardtail/frames/the-frame.html, https://bike-ahead-composites.de/hardtail/rahmen/the-frame.html