2023 Trek Bikes X-Caliber 8 Alum HT, 29, 100MM Fork, Base XS

Build

650B/27.5 in × 2.35 in

Insights

Somewhat aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Trek Bikes X-Caliber 8
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
565mm
Reach
376mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
343mm
Seat Tube Length, Effective Unknown
735mm
Top Tube Length, Effective/Horizontal Unknown
544mm
Top Tube Slope
26.5deg
Head Tube Angle
69.3deg
Seat Tube Angle
73.5deg
Head Tube Length
90mm
Bottom Bracket Drop
58mm
Bottom Bracket Height
293.7mm
Chainstay Length
425mm
Chainstay Length Horizontal
421mm
Front-Center
617.7mm
Front-Center Horizontal
615mm
Wheelbase
1036mm
Fork Offset/Rake
42mm
Trail
88mm
very high
Mechanical Trail
82.3mm
Wheel Flop
29.1mm
Standover Height
698mm
Tire to Pedal Spindle Distance
With 170 mm cranks
96mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
123.7mm

Alum HT, 29, 100MM Fork, Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.35in
Tire Outer Diameter
703.4mm
Bike Length with Tires
1739.4mm
Crank Length
170mm
Handlebar Width
690mm
Stem Length
60mm
Stem Angle
7deg
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
Unknown
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
137 cm
to
155 cm
Source:https://www.trekbikes.com/us/en_US/bikes/mountain-bikes/cross-country-mountain-bikes/x-caliber/x-caliber-8/p/35069/