2026 Boardman Bikes ADV 8.9 L

Build

700C/29 in × 40 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
599mm
Reach
393mm
Stack to Reach Ratio
1.52:1
Seat Tube Length, C-T
555mm
Top Tube Length, Effective/Horizontal HT Top
575mm
Top Tube Slope
7deg
Head Tube Angle
71.5deg
Seat Tube Angle
73deg
Head Tube Length
170mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
278mm
Chainstay Length
430mm
Chainstay Length Horizontal
423.8mm
Front-Center
626mm
Front-Center Horizontal
621.7mm
Wheelbase
1045.5mm
Fork Offset/Rake
50mm
Fork Length (Axle-To-Crown)
400mm
Trail
64.7mm
mid/​neutral
Mechanical Trail
61.4mm
Wheel Flop
19.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
105mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
108mm

8.9 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1747.5mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.boardmanbikes.com/cm_en/products/2403-adv-8.9.html