2026 Boarse Sun 6.1 Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Single-speed capable
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

310
Stack
580mm
Reach
419mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, Unknown
310mm
Top Tube Length, Effective/Horizontal Unknown
583mm
Top Tube Slope
28.9deg
Head Tube Angle
70deg
Seat Tube Angle
71deg
Head Tube Length
120mm
Bottom Bracket Drop
18mm
Bottom Bracket Height
263.9mm
Chainstay Length
385mm
Chainstay Length Horizontal
384.6mm
Front-Center
673.7mm
Front-Center Horizontal
673.4mm
Wheelbase
1058mm
Fork Offset/Rake
42mm
Fork Length, Unknown
495mm
Trail
57.9mm
mid/​neutral
Mechanical Trail
54.4mm
Wheel Flop
18.6mm
Tire to Pedal Spindle
221.8mm
170 mm cranks
Pedal Spindle to Ground Clearance
93.9mm
170 mm cranks

Base Build

310
Wheel Size
26 in
559 mm BSD
Tire Width
2.4mm
Tire Outer Diameter
563.7mm
Bike Length with Tires
1621.7mm

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