2025 BXT TT-119 Base

Category
Triathlon
Design
Aero Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category
Average stack and reachvs category
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs category

Geometry

48
51
54
56
58
Stack
491.5mm
508mm
522mm
541mm
560mm
Reach
381mm
398mm
412mm
425mm
437mm
Stack to Reach Ratio
1.29:1
1.28:1
1.27:1
1.27:1
1.28:1
Seat Tube Length, C-TTT
485mm
502mm
515mm
534mm
552mm
Top Tube Length, Effective/Horizontal HT Top
513mm
534mm
552mm
570mm
587mm
Top Tube Slope
0.4deg
0.4deg
0.5deg
0.6deg
0.7deg
Head Tube Angle
71deg
72.5deg
72.5deg
72.5deg
72.5deg
Seat Tube Angle
75deg
75deg
75deg
75deg
75deg
Head Tube Length
88mm
100mm
115mm
135mm
155mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
266mm
266mm
266mm
266mm
266mm
Chainstay Length
405mm
405mm
405mm
405mm
405mm
Chainstay Length Horizontal
398mm
398mm
398mm
398mm
398mm
Front-Center
574.9mm
584.3mm
602.7mm
621.6mm
639.4mm
Front-Center Horizontal
570mm
579.5mm
598mm
617mm
635mm
Wheelbase
968mm
977.5mm
996mm
1015mm
1033mm
Fork Offset/Rake
43mm
43mm
43mm
43mm
43mm
Fork Length, Unknown
367mm
367mm
367mm
367mm
367mm
Trail
71.9mm
high
62.4mm
mid/​neutral
62.4mm
mid/​neutral
62.4mm
mid/​neutral
62.4mm
mid/​neutral
Mechanical Trail
68mm
59.5mm
59.5mm
59.5mm
59.5mm
Wheel Flop
22.1mm
17.9mm
17.9mm
17.9mm
17.9mm
Tire to Pedal Spindle
63.9mm
170 mm cranks
73.3mm
170 mm cranks
91.7mm
170 mm cranks
110.6mm
170 mm cranks
128.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks
96mm
170 mm cranks

Base Build

48
51
54
56
58
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
Tire Width
30mm
30mm
30mm
30mm
30mm
Tire Outer Diameter
682mm
682mm
682mm
682mm
682mm
Bike Length with Tires
1650mm
1659.5mm
1678mm
1697mm
1715mm

Published Sizing Recommendations

Height
165 cm
to
172 cm
172 cm
to
179 cm
179 cm
to
186 cm
186 cm
to
193 cm
193 cm
to
200 cm

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
Triathlon
Source:https://bxtbikes.com/products/carbon-road-bike-tt-frameset-time-trial-racing-bike-frame-rese-tt-handlebar-bottle-cage-storage-case-triathlon-bicycle-frameset