2026 Boardman Bikes ADV 8.9 XL
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 | 613mm |
| Reach | 399mm |
| Stack to Reach Ratio | 1.54:1 |
| Seat Tube Length, C-T | 575mm |
| Top Tube Length, Effective/Horizontal HT Top | 585mm |
| Top Tube Slope | 6.4deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 185mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 423.8mm |
| Front-Center | 636.6mm |
| Front-Center Horizontal | 632.4mm |
| Wheelbase | 1056.2mm |
| 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 | 115.6mm |
| 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 | 1758.2mm |
| 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