2026 Thömus Silker X3 (Gravel 50mm Flipchip) Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
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

Geometry

48
51
54
56
58
61
Stack
525mm
544mm
560mm
581mm
603mm
627mm
Reach
372mm
380mm
390mm
397mm
406mm
417mm
Stack to Reach Ratio
1.41:1
1.43:1
1.44:1
1.46:1
1.49:1
1.5:1
Seat Tube Length, C-T
460mm
485mm
505mm
530mm
550mm
575mm
Top Tube Length, Effective/Horizontal Center
522mm
536mm
556mm
569mm
584mm
627mm
Top Tube Slope
9.4deg
8.6deg
8.1deg
7.6deg
7.7deg
7.4deg
Head Tube Angle
71.5deg
71.5deg
72deg
72deg
72deg
72deg
Seat Tube Angle
74deg
74deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
100mm
120mm
135mm
157mm
180mm
205mm
Bottom Bracket Drop
72mm
72mm
72mm
72mm
72mm
72mm
Bottom Bracket Height
289mm
289mm
289mm
289mm
289mm
289mm
Chainstay Length
424mm
424mm
424mm
424mm
424mm
424mm
Chainstay Length Horizontal
417.8mm
417.8mm
417.8mm
417.8mm
417.8mm
417.8mm
Front-Center
580.8mm
595mm
605.4mm
619.2mm
635.2mm
653.9mm
Front-Center Horizontal
576.3mm
590.7mm
601.1mm
615mm
631.1mm
649.9mm
Wheelbase
994.1mm
1008.5mm
1019mm
1032.8mm
1049mm
1067.8mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
50mm
Fork Length, Unknown
395mm
395mm
395mm
395mm
395mm
395mm
Trail
68.1mm
high
68.1mm
high
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
64.7mm
mid/​neutral
Mechanical Trail
64.6mm
64.6mm
61.6mm
61.6mm
61.6mm
61.6mm
Wheel Flop
20.5mm
20.5mm
19mm
19mm
19mm
19mm
Tire to Pedal Spindle
49.8mm
170 mm cranks
64mm
170 mm cranks
74.4mm
170 mm cranks
88.2mm
170 mm cranks
104.2mm
170 mm cranks
122.9mm
170 mm cranks
Pedal Spindle to Ground Clearance
119mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks
119mm
170 mm cranks

Base Build

48
51
54
56
58
61
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
Tire Width
50mm
50mm
50mm
50mm
50mm
50mm
Tire Outer Diameter
722mm
722mm
722mm
722mm
722mm
722mm
Bike Length with Tires
1716.1mm
1730.5mm
1741mm
1754.8mm
1771mm
1789.8mm

Published Sizing Recommendations

Height
13 ft 4 in
to
13 ft 4 in
to
13 ft 11 in
to
14 ft 5 in
to
15 ft 2 in
to
15 ft 10 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
All-road/Gravel
Source:thoemus.ch