2023 Surly Bikes Grappler Base SM

Build

650B/27.5 in × 2.5 in

Insights

Average stack and reach vs trend of rigid mtb bikes
Bar type unusual for category
This: Drop Bar
Category: Flat Bar
vs rigid mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
604mm
Reach
405mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
386mm
Top Tube Length, Effective/Horizontal HT Top
590mm
Head Tube Angle
69.5deg
Effective Seat Tube Angle, Seat Tube Top
73deg
Head Tube Length
180mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
305.5mm
Chainstay Length
425mm
Chainstay Length Horizontal
422.1mm
Front-Center
667.8mm
Front-Center Horizontal
666mm
Wheelbase
1088mm
Fork Offset/Rake
50mm
Fork Length (On-Axis)
420mm
Trail
79.5mm
high
Mechanical Trail
74.5mm
Wheel Flop
26.1mm
Standover Height
762mm
Tire to Pedal Spindle Distance
With 170 mm cranks
142.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
135.5mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.5in
Tire Outer Diameter
711mm
Bike Length with Tires
1799mm
Crank Length
170mm
Handlebar Width
420mm
Stem Length
6070mm
Stem Angle
6deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Published Sizing Recommendations

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