2018 Specialized Bicycles Roll Sport Base L

Build

650B/27.5 in × 2.3 in

Insights

Somewhat upright stack and reach vs trend of comfort bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
647mm
Reach
370.4mm
Stack to Reach Ratio
1.75:1
Seat Tube Length, C-T
480mm
Top Tube Length, Actual C-C
645mm
Top Tube Slope
20.1deg
Head Tube Angle
67deg
Seat Tube Angle
69deg
Head Tube Length
215mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
280.4mm
Chainstay Length
480mm
Chainstay Length Horizontal
474.9mm
Front-Center
654.9mm
Front-Center Horizontal
651.1mm
Wheelbase
1126mm
Fork Offset/Rake
55mm
Fork Length (On-Axis)
420mm
Trail
89mm
very high
Mechanical Trail
81.9mm
Wheel Flop
32mm
Standover Height
824mm
Tire to Pedal Spindle Distance
With 170 mm cranks
134.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
110.4mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.3in
Tire Outer Diameter
700.8mm
Bike Length with Tires
1826.8mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Swept Back Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Source:https://www.specialized.com/us/en/roll-sport/p/129094