2025 Surly Bikes Moonlander Pinion XL

Build

24 in × 6.2 in

Insights

Average stack and reach vs trend of rigid fatbike bikes
Bar type unusual for category
This: Swept Back Bar
Category: Flat Bar
vs rigid fatbike bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
643.5mm
Reach
468.2mm
Stack to Reach Ratio
1.37:1
Seat Tube Length, C-T
521mm
Top Tube Length, Effective/Horizontal HT Top
665mm
Top Tube Slope
13.2deg
Head Tube Angle
68.5deg
Seat Tube Angle
73deg
Head Tube Length
190mm
Bottom Bracket Drop
45mm
Bottom Bracket Height
366mm
Chainstay Length
561.8mm
Chainstay Length Horizontal
560mm
Front-Center
752.6mm
Front-Center Horizontal
751.2mm
Wheelbase
1311.2mm
Fork Offset/Rake
50mm
Fork Length (Axle-To-Crown)
460mm
Trail
108.2mm
very high
Mechanical Trail
100.6mm
Wheel Flop
36.9mm
Standover Height
801mm
Tire to Pedal Spindle Distance
With 170 mm cranks
171.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
196mm

Pinion Build

Wheel Size
24 inch (507mm BSD)
Tire Width
6.2in
Tire Outer Diameter
822mm
Bike Length with Tires
2133.2mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Swept Back Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Source:https://surlybikes.com/bikes/moonlander-v2