2026 X-Lab SP5+ Base

Category
Fitness
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake, E-bike
Somewhat aggressive stack and reachvs category

Geometry

Large
Stack
621mm
Reach
425mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, Unknown
508mm
Top Tube Length, Effective/Horizontal Unknown
609mm
Top Tube Slope
13.2deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
197mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
286mm
Chainstay Length
445mm
Chainstay Length Horizontal
440.2mm
Front-Center
663mm
Front-Center Horizontal
659.8mm
Wheelbase
1100mm
Fork Offset/Rake
51.5mm
Trail
59.9mm
mid/​neutral
Mechanical Trail
57mm
Wheel Flop
17.6mm
Tire to Pedal Spindle
142mm
170 mm cranks
Pedal Spindle to Ground Clearance
116mm
170 mm cranks

Base Build

Large
Wheel Size
700C/29 in
622 mm BSD
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1802mm

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
Fitness
Source:https://xds.co/products/sp5-plus#product-geometry