2021 Boardman Bikes URB 8.9 M

Build

700C/29 in × 32 mm

Insights

Very aggressive stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
565mm
Reach
419mm
Stack to Reach Ratio
1.35:1
Seat Tube Length, C-T
490mm
Top Tube Length, Effective/Horizontal Center
590mm
Top Tube Slope
9.7deg
Head Tube Angle
72deg
Seat Tube Angle
73deg
Head Tube Length
145mm
Bottom Bracket Drop
68mm
Bottom Bracket Height
275mm
Chainstay Length
425mm
Chainstay Length Horizontal
419.5mm
Front-Center
634.6mm
Front-Center Horizontal
631mm
Wheelbase
1050.5mm
Fork Offset/Rake
48mm
Trail
61mm
mid/​neutral
Mechanical Trail
58mm
Wheel Flop
17.9mm
Tire to Pedal Spindle Distance
With 170 mm cranks
121.6mm
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
1736.5mm
Crank Length
170mm
Handlebar Width
600mm
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
177 cm
to
183 cm
PBH
78 cm
to
85 cm
Source:https://www.boardmanbikes.com/gb_en/products/2344-urb-8.9-2021.html