2025 T-Lab Bikes X1 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Titanium
Fork
Carbon/Composite
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat 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
Very aggressive stack and reachvs category

Geometry

XS (52)
XS (52)
XS (52)
XS (52)
XS (52)
S (54)
S (54)
S (54)
S (54)
S (54)
M (56)
M (56)
M (56)
M (56)
M (56)
L (58)
L (58)
L (58)
L (58)
L (58)
XL (60)
XL (60)
XL (60)
XL (60)
XL (60)
Stack
537mm
537mm
537mm
537mm
537mm
558mm
558mm
558mm
558mm
558mm
578mm
578mm
578mm
578mm
578mm
597mm
597mm
597mm
597mm
597mm
616mm
616mm
616mm
616mm
616mm
Reach
368mm
368mm
368mm
368mm
368mm
379mm
379mm
379mm
379mm
379mm
391mm
391mm
391mm
391mm
391mm
407mm
407mm
407mm
407mm
407mm
423mm
423mm
423mm
423mm
423mm
Stack to Reach Ratio
1.46:1
1.46:1
1.46:1
1.46:1
1.46:1
1.47:1
1.47:1
1.47:1
1.47:1
1.47:1
1.48:1
1.48:1
1.48:1
1.48:1
1.48:1
1.47:1
1.47:1
1.47:1
1.47:1
1.47:1
1.46:1
1.46:1
1.46:1
1.46:1
1.46:1
Seat Tube Length, C-T
470mm
470mm
470mm
470mm
470mm
500mm
500mm
500mm
500mm
500mm
530mm
530mm
530mm
530mm
530mm
560mm
560mm
560mm
560mm
560mm
580mm
580mm
580mm
580mm
580mm
Top Tube Length, Effective/Horizontal Unknown
527mm
527mm
527mm
527mm
527mm
544mm
544mm
544mm
544mm
544mm
562mm
562mm
562mm
562mm
562mm
584mm
584mm
584mm
584mm
584mm
606mm
606mm
606mm
606mm
606mm
Top Tube Slope
9.8deg
9.8deg
9.8deg
9.8deg
9.8deg
8.6deg
8.6deg
8.6deg
8.6deg
8.6deg
7.4deg
7.4deg
7.4deg
7.4deg
7.4deg
6.1deg
6.1deg
6.1deg
6.1deg
6.1deg
5.8deg
5.8deg
5.8deg
5.8deg
5.8deg
Head Tube Angle
70.5deg
70.5deg
70.5deg
70.5deg
70.5deg
71.25deg
71.25deg
71.25deg
71.25deg
71.25deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
71.5deg
Seat Tube Angle
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
120mm
120mm
120mm
120mm
120mm
140mm
140mm
140mm
140mm
140mm
160mm
160mm
160mm
160mm
160mm
180mm
180mm
180mm
180mm
180mm
200mm
200mm
200mm
200mm
200mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
281mm
Chainstay Length
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
426mm
Chainstay Length Horizontal
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
420.2mm
Front-Center
586mm
586mm
586mm
586mm
586mm
597mm
597mm
597mm
597mm
597mm
613mm
613mm
613mm
613mm
613mm
636mm
636mm
636mm
636mm
636mm
659mm
659mm
659mm
659mm
659mm
Front-Center Horizontal
585.8mm
585.8mm
585.8mm
585.8mm
585.8mm
596.8mm
596.8mm
596.8mm
596.8mm
596.8mm
613.8mm
613.8mm
613.8mm
613.8mm
613.8mm
635.8mm
635.8mm
635.8mm
635.8mm
635.8mm
658.8mm
658.8mm
658.8mm
658.8mm
658.8mm
Wheelbase
1006mm
1006mm
1006mm
1006mm
1006mm
1017mm
1017mm
1017mm
1017mm
1017mm
1034mm
1034mm
1034mm
1034mm
1034mm
1056mm
1056mm
1056mm
1056mm
1056mm
1079mm
1079mm
1079mm
1079mm
1079mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
50mm
Trail
71.3mm
high
71.3mm
high
71.3mm
high
71.3mm
high
71.3mm
high
66.4mm
high
66.4mm
high
66.4mm
high
66.4mm
high
66.4mm
high
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
Mechanical Trail
67.2mm
67.2mm
67.2mm
67.2mm
67.2mm
62.8mm
62.8mm
62.8mm
62.8mm
62.8mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
61.4mm
Wheel Flop
22.4mm
22.4mm
22.4mm
22.4mm
22.4mm
20.2mm
20.2mm
20.2mm
20.2mm
20.2mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
Standover Height
755mm
755mm
755mm
755mm
755mm
780mm
780mm
780mm
780mm
780mm
805mm
805mm
805mm
805mm
805mm
830mm
830mm
830mm
830mm
830mm
855mm
855mm
855mm
855mm
855mm
Tire to Pedal Spindle
65mm
170 mm cranks
65mm
170 mm cranks
65mm
170 mm cranks
65mm
170 mm cranks
65mm
170 mm cranks
76mm
170 mm cranks
76mm
170 mm cranks
76mm
170 mm cranks
76mm
170 mm cranks
76mm
170 mm cranks
92mm
170 mm cranks
92mm
170 mm cranks
92mm
170 mm cranks
92mm
170 mm cranks
92mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
115mm
170 mm cranks
138mm
170 mm cranks
138mm
170 mm cranks
138mm
170 mm cranks
138mm
170 mm cranks
138mm
170 mm cranks
Pedal Spindle to Ground Clearance
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Base Build

XS (52)
XS (52)
XS (52)
XS (52)
XS (52)
S (54)
S (54)
S (54)
S (54)
S (54)
M (56)
M (56)
M (56)
M (56)
M (56)
L (58)
L (58)
L (58)
L (58)
L (58)
XL (60)
XL (60)
XL (60)
XL (60)
XL (60)
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
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
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1708mm
1708mm
1708mm
1708mm
1708mm
1719mm
1719mm
1719mm
1719mm
1719mm
1736mm
1736mm
1736mm
1736mm
1736mm
1758mm
1758mm
1758mm
1758mm
1758mm
1781mm
1781mm
1781mm
1781mm
1781mm

Published Sizing Recommendations

Height
429 ft 6 in
to
429 ft 6 in
to
429 ft 6 in
to
429 ft 6 in
to
429 ft 6 in
to
463 ft 2 in
to
463 ft 2 in
to
463 ft 2 in
to
463 ft 2 in
to
463 ft 2 in
to
496 ft 8 in
to
496 ft 8 in
to
496 ft 8 in
to
496 ft 8 in
to
496 ft 8 in
to
505 ft 4 in
to
505 ft 4 in
to
505 ft 4 in
to
505 ft 4 in
to
505 ft 4 in
to
538 ft 10 in
to
538 ft 10 in
to
538 ft 10 in
to
538 ft 10 in
to
538 ft 10 in
to

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mmStack450mm500mm550mm600mm650mm700mmXS (52)XS (52)XS (52)XS (52)XS (52)S (54)S (54)S (54)S (54)S (54)M (56)M (56)M (56)M (56)M (56)L (58)L (58)L (58)L (58)L (58)XL (60)XL (60)XL (60)XL (60)XL (60)
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
All-road/Gravel
Source:https://tlab-bike.files.svdcdn.com/production/upload/images/X1_R1_Geometries.pdf, https://t-lab-bikes.com/en-ca/bikes/x1