2021 Velo Flyer Bicycles BTB Track
- Category
- Track/Fixed-gear
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- N/A brake
Very aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category | Very aggressive stack and reachvs category |
Geometry
650c "Mini" | 52 | 54 | 56 | 58 | 60 | 62 | |
Stack | 433.7mm | 486.6mm | 496.2mm | 496.2mm | 510.6mm | 525.1mm | 539.5mm |
Reach | 393.8mm | 390.5mm | 402.7mm | 417.5mm | 433.6mm | 449.4mm | 465.3mm |
Stack to Reach Ratio | 1.1:1 | 1.25:1 | 1.23:1 | 1.19:1 | 1.18:1 | 1.17:1 | 1.16:1 |
Seat Tube Length, C-T | 430mm | 460mm | 480mm | 500mm | 520mm | 560mm | 580mm |
Top Tube Length, Effective/Horizontal HT Top | 510mm | 530mm | 545mm | 560mm | 580mm | 600mm | 620mm |
Top Tube Slope | 2.1deg | 4.9deg | 3.7deg | 1.6deg | 1.1deg | -1.2deg | -1.6deg |
Head Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Seat Tube Angle | 75deg | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 95mm | 100mm | 110mm | 110mm | 125mm | 140mm | 155mm |
Bottom Bracket Drop | 28mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Bottom Bracket Height | 280.5mm | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm |
Chainstay Length | 368mm | 375mm | 375mm | 375mm | 375mm | 375mm | 375mm |
Chainstay Length Horizontal | 366.9mm | 372.3mm | 372.3mm | 372.3mm | 372.3mm | 372.3mm | 372.3mm |
Front-Center | 543.8mm | 557.3mm | 572.2mm | 587.1mm | 607.1mm | 607.1mm | 647mm |
Front-Center Horizontal | 543.1mm | 555.5mm | 570.4mm | 585.4mm | 605.4mm | 605.4mm | 645.4mm |
Wheelbase | 910mm | 927.8mm | 942.7mm | 957.7mm | 977.7mm | 977.7mm | 1017.7mm |
Fork Offset/Rake | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Trail | 55.2mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral | 62.5mm mid/​neutral |
Mechanical Trail | 53mm | 60.1mm | 60.1mm | 60.1mm | 60.1mm | 60.1mm | 60.1mm |
Wheel Flop | 14.6mm | 16.6mm | 16.6mm | 16.6mm | 16.6mm | 16.6mm | 16.6mm |
Tire to Pedal Spindle | 65.3mm 170 mm cranks | 53.3mm 170 mm cranks | 68.2mm 170 mm cranks | 83.1mm 170 mm cranks | 103.1mm 170 mm cranks | 103.1mm 170 mm cranks | 143mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 110.5mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks |
Track Build
650c "Mini" | 52 | 54 | 56 | 58 | 60 | 62 | |
Wheel Size | 650C 571 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 | 23mm | 23mm | 23mm | 23mm | 23mm | 23mm | 23mm |
Tire Width Max | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 617mm | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm |
Bike Length with Tires | 1527mm | 1595.8mm | 1610.7mm | 1625.7mm | 1645.7mm | 1645.7mm | 1685.7mm |
Published Sizing Recommendations
Height | — | 5 ft 0 in to 5 ft 3 in | 5 ft 3 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 2 in | 6 ft 2 in to |
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:http://veloflyerbicycles.com/shop/the-btb-track