2015 Boardman Bikes Air TT 9.0 Base S
Build
700C/29 in × 23 mm
Stack and Reach vs. Category Trend
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Geometry
| Stack | 500mm |
| Reach | 404mm |
| Stack to Reach Ratio | 1.24:1 |
| Seat Tube Length, C-T | 490mm |
| Top Tube Length, Actual C-C | 530mm |
| Top Tube Slope | 2.3deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 78deg |
| Head Tube Length | 80mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 266mm |
| Chainstay Length | 400mm |
| Chainstay Length Horizontal | 394.2mm |
| Front-Center | 589.2mm |
| Front-Center Horizontal | 585.3mm |
| Wheelbase | 979.5mm |
| Fork Offset/Rake | 43mm |
| Trail | 60.2mm mid/neutral |
| Mechanical Trail | 57.4mm |
| Wheel Flop | 17.3mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 82.7mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 93.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 23mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1647.5mm |
| Crank Length | 172.5mm |
| Handlebar Width | 400mm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.wiggle.co.uk/boardman-air-tt-90