2021 Velo Flyer Bicycles BTB Track

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 Scale
Category Trend
Track/Fixed-gear
Source:http://veloflyerbicycles.com/shop/the-btb-track