2020 Trek Bikes X-Caliber 8
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Suspension
- 100mm fork travel
- Features
- Disc brake
Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
XS | S | M | M/L | L | XL | XXL | |
Stack | 565mm | 574mm | 598mm | 598mm | 608mm | 626mm | 626mm |
Reach | 376mm | 385mm | 418mm | 434mm | 451mm | 466mm | 480mm |
Stack to Reach Ratio | 1.5:1 | 1.49:1 | 1.43:1 | 1.38:1 | 1.35:1 | 1.34:1 | 1.3:1 |
Seat Tube Length, C-T | 343mm | 368mm | 419mm | 444mm | 470mm | 521mm | 559mm |
Top Tube Length, Effective/Horizontal Center | 543mm | 555mm | 601mm | 617mm | 637mm | 658mm | 672mm |
Top Tube Slope | 26.5deg | 24.3deg | 20deg | 17.1deg | 15.1deg | 11.8deg | 8.2deg |
Head Tube Angle | 69.3deg | 69.3deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg |
Head Tube Length | 90mm | 90mm | 90mm | 90mm | 100mm | 120mm | 120mm |
Bottom Bracket Drop | 58mm | 48mm | 58mm | 58mm | 58mm | 58mm | 58mm |
Bottom Bracket Height | 289.9mm | 299.9mm | 308.9mm | 308.9mm | 308.9mm | 308.9mm | 308.9mm |
Chainstay Length | 425mm | 425mm | 438mm | 438mm | 438mm | 438mm | 438mm |
Chainstay Length Horizontal | 421mm | 422.3mm | 434.1mm | 434.1mm | 434.1mm | 434.1mm | 434.1mm |
Front-Center | 617.7mm | 632.5mm | 677.3mm | 693.3mm | 713.2mm | 735.2mm | 749.1mm |
Front-Center Horizontal | 615mm | 630.7mm | 674.9mm | 690.9mm | 710.9mm | 732.9mm | 746.9mm |
Wheelbase | 1036mm | 1053mm | 1109mm | 1125mm | 1145mm | 1167mm | 1181mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Trail | 86.6mm very high | 86.6mm very high | 92.3mm very high | 92.3mm very high | 92.3mm very high | 92.3mm very high | 92.3mm very high |
Mechanical Trail | 81mm | 81mm | 86.5mm | 86.5mm | 86.5mm | 86.5mm | 86.5mm |
Wheel Flop | 28.6mm | 28.6mm | 30.3mm | 30.3mm | 30.3mm | 30.3mm | 30.3mm |
Standover Height | 698mm | 724mm | 748mm | 757mm | 757mm | 768mm | 804mm |
Tire to Pedal Spindle | 99.8mm 170 mm cranks | 114.7mm 170 mm cranks | 140.5mm 170 mm cranks | 156.4mm 170 mm cranks | 176.3mm 170 mm cranks | 198.3mm 170 mm cranks | 212.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 119.9mm 170 mm cranks | 129.9mm 170 mm cranks | 138.9mm 170 mm cranks | 138.9mm 170 mm cranks | 138.9mm 170 mm cranks | 138.9mm 170 mm cranks | 138.9mm 170 mm cranks |
8 Build
XS | S | M | M/L | L | XL | XXL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 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 | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in | 2.2in |
Tire Outer Diameter | 695.8mm | 695.8mm | 733.8mm | 733.8mm | 733.8mm | 733.8mm | 733.8mm |
Bike Length with Tires | 1731.8mm | 1748.8mm | 1842.8mm | 1858.8mm | 1878.8mm | 1900.8mm | 1914.8mm |
Handlebar Width | 690mm | 720mm | 720mm | 720mm | 720mm | 720mm | 720mm |
Stem Length | 60mm | 60mm | 70mm | 80mm | 80mm | 90mm | 90mm |
Stem Angle | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg |
Published Sizing Recommendations
Height | 137 cm to 155 cm | 153 cm to 166.5 cm | 161 cm to 172 cm | 165.5 cm to 179 cm | 177 cm to 188 cm | 186 cm to 196 cm | 195 cm to 203 cm |
PBH | 64 cm to 73 cm | 72 cm to 79 cm | 76 cm to 81 cm | 77 cm to 84 cm | 83 cm to 88 cm | 87 cm to 92 cm | 92 cm to 95 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 ScaleCategory Trend
Hardtail Cross-country MTBSource:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/x-caliber/x-caliber-8/p/28064/?colorCode=black