2022 Trek Bikes X-Caliber 8 Alum HT, 29, 100MM Fork, Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Suspension
- 100mm fork travel
- Features
- Disc brake
Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Suspension sag unknown Geometry may mis-represent actual riding geometry | Very 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 | 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 |
Geometry
13.5" | 13.5" | 13.5" | 15.5" | 15.5" | 15.5" | 17.5" | 17.5" | 17.5" | 18.5" | 18.5" | 18.5" | 19.5" | 19.5" | 19.5" | 21.5" | 21.5" | 21.5" | XS | S | M | ML | L | XL | XXL | |
Stack | 56.5mm | 56.5mm | 56.5mm | 57.4mm | 57.4mm | 57.4mm | 59.8mm | 59.8mm | 59.8mm | 59.8mm | 59.8mm | 59.8mm | 60.8mm | 60.8mm | 60.8mm | 62.7mm | 62.7mm | 62.7mm | 565mm | 574mm | 598mm | 598mm | 608mm | 627mm | 627mm |
Reach | 37.6mm | 37.6mm | 37.6mm | 38.5mm | 38.5mm | 38.5mm | 41.8mm | 41.8mm | 41.8mm | 43.4mm | 43.4mm | 43.4mm | 45.1mm | 45.1mm | 45.1mm | 46.6mm | 46.6mm | 46.6mm | 376mm | 385mm | 418mm | 434mm | 451mm | 466mm | 480mm |
Stack to Reach Ratio | 1.5:1 | 1.5:1 | 1.5:1 | 1.49:1 | 1.49:1 | 1.49:1 | 1.43:1 | 1.43:1 | 1.43:1 | 1.38:1 | 1.38:1 | 1.38:1 | 1.35:1 | 1.35:1 | 1.35:1 | 1.35:1 | 1.35:1 | 1.35:1 | 1.5:1 | 1.49:1 | 1.43:1 | 1.38:1 | 1.35:1 | 1.35:1 | 1.31:1 |
Seat Tube Length, C-T | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 343mm | 368mm | 419mm | 444mm | 470mm | 521mm | 559mm |
Seat Tube Length, C-C | — | 34.3mm | — | — | 36.8mm | — | — | 41.9mm | — | — | 44.4mm | — | — | 47mm | — | — | 52.1mm | — | — | — | — | — | — | — | — |
Seat Tube Length, Effective Unknown | 34.3mm | — | 34.3mm | 36.8mm | — | 36.8mm | 41.9mm | — | 41.9mm | 44.4mm | — | 44.4mm | 47mm | — | 47mm | 52.1mm | — | 52.1mm | 735mm | 735mm | 730mm | 730mm | 730mm | 730mm | 730mm |
Top Tube Length, Effective/Horizontal Center | 54.4mm | 54.4mm | 54.4mm | 55.5mm | 55.5mm | 55.5mm | 60.1mm | 60.1mm | 60.1mm | 61.7mm | 61.7mm | 61.7mm | 63.7mm | 63.7mm | 63.7mm | 65.8mm | 65.8mm | 65.8mm | — | — | — | — | — | — | — |
Top Tube Length, Effective/Horizontal Unknown | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 544mm | 555mm | 601mm | 617mm | 637mm | 658mm | 672mm |
Top Tube Slope | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 26.5deg | 24.3deg | 20deg | 17.1deg | 15.1deg | 11.9deg | 8.3deg |
Head Tube Angle | 69.3deg | 69.3deg | 69.3deg | 69.3deg | 69.3deg | 69.3deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.3deg | 69.3deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg | 69.5deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 73.5deg | 73.5deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg | 71.9deg |
Head Tube Length | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 9mm | 10mm | 10mm | 10mm | 12mm | 12mm | 12mm | 90mm | 90mm | 90mm | 90mm | 100mm | 120mm | 120mm |
Bottom Bracket Drop | 5.8mm | 5.8mm | 5.8mm | 4.8mm | 4.8mm | 4.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 5.8mm | 58mm | 48mm | 58mm | 58mm | 58mm | 58mm | 58mm |
Bottom Bracket Height | 343.5mm | 343.5mm | 343.5mm | 344.5mm | 344.5mm | 344.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 362.5mm | 293.7mm | 303.7mm | 312.7mm | 312.7mm | 312.7mm | 312.7mm | 312.7mm |
Chainstay Length | 42.5mm | 42.5mm | 42.5mm | 42.5mm | 42.5mm | 42.5mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 43.8mm | 425mm | 425mm | 438mm | 438mm | 438mm | 438mm | 438mm |
Chainstay Length Horizontal | 42.1mm | 42.1mm | 42.1mm | 42.2mm | 42.2mm | 42.2mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 421mm | 422.3mm | 434.1mm | 434.1mm | 434.1mm | 434.1mm | 434.1mm |
Front-Center | 61.8mm | 61.8mm | 61.8mm | 63.3mm | 63.3mm | 63.3mm | 67.7mm | 67.7mm | 67.7mm | 69.3mm | 69.3mm | 69.3mm | 71.3mm | 71.3mm | 71.3mm | 73.5mm | 73.5mm | 73.5mm | 617.7mm | 632.5mm | 677.3mm | 693.3mm | 713.2mm | 735.2mm | 749.1mm |
Front-Center Horizontal | 61.5mm | 61.5mm | 61.5mm | 63.1mm | 63.1mm | 63.1mm | 67.5mm | 67.5mm | 67.5mm | 69.1mm | 69.1mm | 69.1mm | 71.1mm | 71.1mm | 71.1mm | 73.3mm | 73.3mm | 73.3mm | 615mm | 630.7mm | 674.9mm | 690.9mm | 710.9mm | 732.9mm | 746.9mm |
Wheelbase | 103.6mm | 103.6mm | 103.6mm | 105.3mm | 105.3mm | 105.3mm | 110.9mm | 110.9mm | 110.9mm | 112.5mm | 112.5mm | 112.5mm | 114.5mm | 114.5mm | 114.5mm | 116.7mm | 116.7mm | 116.7mm | 1036mm | 1053mm | 1109mm | 1125mm | 1145mm | 1167mm | 1181mm |
Fork Offset/Rake | 4.4mm | 4.4mm | 4.4mm | 4.4mm | 4.4mm | 4.4mm | 5.2mm | 5.2mm | 5.2mm | 5.2mm | 5.2mm | 5.2mm | 5.1mm | 5.1mm | 5.1mm | 5.1mm | 5.1mm | 5.1mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm | 42mm |
Trail | 127.2mm very high | 127.2mm very high | 127.2mm very high | 127.3mm very high | 127.3mm very high | 127.3mm very high | 132.2mm very high | 132.2mm very high | 132.2mm very high | 132.2mm very high | 132.2mm very high | 132.2mm very high | 132.3mm very high | 132.3mm very high | 132.3mm very high | 132.3mm very high | 132.3mm very high | 132.3mm very high | 88mm very high | 88mm very high | 93.8mm very high | 93.8mm very high | 93.8mm very high | 93.8mm very high | 93.8mm very high |
Mechanical Trail | 119mm | 119mm | 119mm | 119.1mm | 119.1mm | 119.1mm | 123.8mm | 123.8mm | 123.8mm | 123.8mm | 123.8mm | 123.8mm | 123.9mm | 123.9mm | 123.9mm | 123.9mm | 123.9mm | 123.9mm | 82.3mm | 82.3mm | 87.8mm | 87.8mm | 87.8mm | 87.8mm | 87.8mm |
Wheel Flop | 42.1mm | 42.1mm | 42.1mm | 42.1mm | 42.1mm | 42.1mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 43.4mm | 29.1mm | 29.1mm | 30.8mm | 30.8mm | 30.8mm | 30.8mm | 30.8mm |
Standover Height | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 698mm | 724mm | 748mm | 757mm | 757mm | 768mm | 804mm |
Tire to Pedal Spindle | -457.5mm 170 mm cranks | -457.5mm 170 mm cranks | -457.5mm 170 mm cranks | -456mm 170 mm cranks | -456mm 170 mm cranks | -456mm 170 mm cranks | -470.6mm 170 mm cranks | -470.6mm 170 mm cranks | -470.6mm 170 mm cranks | -474mm 175 mm cranks | -474mm 175 mm cranks | -474mm 175 mm cranks | -472mm 175 mm cranks | -472mm 175 mm cranks | -472mm 175 mm cranks | -469.8mm 175 mm cranks | -469.8mm 175 mm cranks | -469.8mm 175 mm cranks | 96mm 170 mm cranks | 110.9mm 170 mm cranks | 136.7mm 170 mm cranks | 147.6mm 175 mm cranks | 167.5mm 175 mm cranks | 189.5mm 175 mm cranks | 203.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 173.5mm 170 mm cranks | 173.5mm 170 mm cranks | 173.5mm 170 mm cranks | 174.5mm 170 mm cranks | 174.5mm 170 mm cranks | 174.5mm 170 mm cranks | 192.5mm 170 mm cranks | 192.5mm 170 mm cranks | 192.5mm 170 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 187.5mm 175 mm cranks | 123.7mm 170 mm cranks | 133.7mm 170 mm cranks | 142.7mm 170 mm cranks | 137.7mm 175 mm cranks | 137.7mm 175 mm cranks | 137.7mm 175 mm cranks | 137.7mm 175 mm cranks |
Alum HT, 29, 100MM Fork, Base Build
13.5" | 13.5" | 13.5" | 15.5" | 15.5" | 15.5" | 17.5" | 17.5" | 17.5" | 18.5" | 18.5" | 18.5" | 19.5" | 19.5" | 19.5" | 21.5" | 21.5" | 21.5" | XS | S | M | ML | L | XL | XXL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 29mm BSD 29 mm BSD | 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 | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in | 2.35in |
Tire Width Max | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.8in | 2.8in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 698.5mm | 698.5mm | 698.5mm | 698.5mm | 698.5mm | 698.5mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 736.6mm | 703.4mm | 703.4mm | 741.4mm | 741.4mm | 741.4mm | 741.4mm | 741.4mm |
Bike Length with Tires | 802.1mm | 802.1mm | 802.1mm | 803.8mm | 803.8mm | 803.8mm | 847.5mm | 847.5mm | 847.5mm | 849.1mm | 849.1mm | 849.1mm | 851.1mm | 851.1mm | 851.1mm | 853.3mm | 853.3mm | 853.3mm | 1739.4mm | 1756.4mm | 1850.4mm | 1866.4mm | 1886.4mm | 1908.4mm | 1922.4mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 175mm | 175mm | 175mm | 175mm | 175mm | 175mm | 175mm | 175mm | 175mm | 170mm | 170mm | 170mm | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 690mm | 690mm | 690mm | 720mm | 720mm | 720mm | 720mm | 720mm | 720mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 750mm | 690mm | 720mm | 720mm | 750mm | 750mm | 750mm | 750mm |
Stem Length | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 70mm | 70mm | 70mm | 70mm | 70mm | 70mm | 80mm | 80mm | 80mm | 90mm | 90mm | 90mm | 60mm | 60mm | 70mm | 70mm | 80mm | 90mm | 90mm |
Stem Angle | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg | 7deg |
Published Sizing Recommendations
Height | 4 ft 5.899999999999999 in to 5 ft 1 in | 4 ft 5.899999999999999 in to 5 ft 1 in | 4 ft 5.899999999999999 in to 5 ft 1 in | 5 ft 0 in to 5 ft 5.599999999999994 in | 5 ft 0 in to 5 ft 5.599999999999994 in | 5 ft 0 in to 5 ft 5.599999999999994 in | 5 ft 3.3999999999999986 in to 5 ft 7.700000000000003 in | 5 ft 3.3999999999999986 in to 5 ft 7.700000000000003 in | 5 ft 3.3999999999999986 in to 5 ft 7.700000000000003 in | 5 ft 5.200000000000003 in to 5 ft 10.5 in | 5 ft 5.200000000000003 in to 5 ft 10.5 in | 5 ft 5.200000000000003 in to 5 ft 10.5 in | 5 ft 9.700000000000003 in to 6 ft 2 in | 5 ft 9.700000000000003 in to 6 ft 2 in | 5 ft 9.700000000000003 in to 6 ft 2 in | 6 ft 1.2000000000000028 in to 6 ft 5.200000000000003 in | 6 ft 1.2000000000000028 in to 6 ft 5.200000000000003 in | 6 ft 1.2000000000000028 in to 6 ft 5.200000000000003 in | 137 cm to 155 cm | 153 cm to 167 cm | 161 cm to 172 cm | 166 cm to 179 cm | 177 cm to 188 cm | 186 cm to 196 cm | 195 cm to 203 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 All-mountain/Enduro MTBSource:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/x-caliber/x-caliber-8/p/35069/?colorCode=white, https://sparta.cl/bicicleta-mtb-trek-x-caliber-8-gris-2022-262525971752597219.html