2020 Surly Bikes Lowside 27.5+ Rigid Fork SM

Build

650B/27.5 in × 2.8 in

Insights

Very aggressive stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
560.3mm
Reach
429.3mm
Stack to Reach Ratio
1.31:1
Seat Tube Length, C-T
366mm
Top Tube Length, Effective/Horizontal HT Top
590mm
Top Tube Length, Actual C-C
575.6mm
Top Tube Slope
21.5deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
125mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
308.1mm
Chainstay Length
425mm
Chainstay Length Horizontal
421.4mm
Front-Center
669.8mm
Front-Center Horizontal
667.6mm
Wheelbase
1089mm
Fork Offset/Rake
47mm
Fork Length (Axle-To-Crown)
420mm
Trail
82.2mm
very high
Mechanical Trail
77.2mm
Wheel Flop
26.4mm
Standover Height
737.1mm
Tire to Pedal Spindle Distance
With 170 mm cranks
136.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
138.1mm

27.5+ Rigid Fork Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1815.2mm
Crank Length
170mm
Handlebar Width
820mm
Stem Length
60mm
Stem Angle
6deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc
Features
Single-speed capable

Published Sizing Recommendations

Height
152 cm
to
Source:https://surlybikes.com/bikes/lowside