2021 Boardman Bikes URB 8.9 S

Build

700C/29 in × 32 mm

Insights

Somewhat aggressive stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
551mm
Reach
400mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
450mm
Top Tube Length, Effective/Horizontal Center
565mm
Top Tube Slope
12.8deg
Head Tube Angle
72deg
Seat Tube Angle
73deg
Head Tube Length
125mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
275mm
Chainstay Length
425mm
Chainstay Length Horizontal
419.5mm
Front-Center
611.2mm
Front-Center Horizontal
607.4mm
Wheelbase
1026.9mm
Fork Offset/Rake
48mm
Trail
61mm
mid/​neutral
Mechanical Trail
58mm
Wheel Flop
17.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
98.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105mm

8.9 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1712.9mm
Crank Length
170mm
Handlebar Width
580mm
Stem Length
90mm
Stem Angle
7deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
170 cm
to
179 cm
PBH
74 cm
to
82 cm
Source:https://www.boardmanbikes.com/gb_en/products/2344-urb-8.9-2021.html