2026 Thömus Silker X3 (Gravel 50mm Flipchip) Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
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 ScaleCategory Trend
All-road/GravelSource:thoemus.ch
