2021 Boardman Bikes SLR 8.9 Disc Carbon
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
Small | SM | MD | LG | XL | |
Stack | 520mm | 546mm | 567mm | 588mm | 603mm |
Reach | 376mm | 378mm | 387mm | 390mm | 401mm |
Stack to Reach Ratio | 1.38:1 | 1.44:1 | 1.47:1 | 1.51:1 | 1.5:1 |
Seat Tube Length, Unknown | 470mm | 485mm | 500mm | 525mm | 545mm |
Top Tube Length, Effective/Horizontal Unknown | 525mm | 540mm | 555mm | 570mm | 585mm |
Top Tube Slope | 7.7deg | 8.9deg | 9.4deg | 9deg | 8.3deg |
Head Tube Angle | 71deg | 72deg | 72.5deg | 73deg | 73deg |
Seat Tube Angle | 74deg | 73.5deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 120mm | 140mm | 160mm | 180mm | 195mm |
Bottom Bracket Drop | 65mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 404.8mm | 404.3mm | 404.3mm | 404.3mm | 404.3mm |
Front-Center | — | 587.7mm | 598.5mm | 599.9mm | 615.4mm |
Front-Center Horizontal | — | 583.8mm | 594.7mm | 596mm | 611.6mm |
Wheelbase | — | 988.1mm | 999mm | 1000.4mm | 1015.9mm |
Fork Offset/Rake | — | 48mm | 48mm | 45mm | 45mm |
Trail | — — | 59.7mm mid/neutral | 56.6mm mid/neutral | 56.6mm mid/neutral | 56.6mm mid/neutral |
Mechanical Trail | — | 56.8mm | 53.9mm | 54.1mm | 54.1mm |
Wheel Flop | — | 17.5mm | 16.2mm | 15.8mm | 15.8mm |
Tire to Pedal Spindle | — 165 mm cranks | 78.7mm 170 mm cranks | 89.5mm 170 mm cranks | 88.4mm 172.5 mm cranks | 101.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 165 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 98.5mm 172.5 mm cranks | 96mm 175 mm cranks |
8.9 Disc Carbon Build
Small | SM | MD | LG | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 672mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | — | 1666.1mm | 1677mm | 1678.4mm | 1693.9mm |
Crank Length | 165mm | 170mm | 170mm | 172.5mm | 175mm |
Handlebar Width | 380mm | 400mm | 400mm | 420mm | 440mm |
Stem Length | — | 90mm | 100mm | 110mm | 120mm |
Published Sizing Recommendations
Height | — | 170 cm to 179 cm | 177 cm to 183 cm | 181 cm to 189 cm | 187 cm to 185 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Endurance RoadSource:https://www.boardmanbikes.com/gb_en/products/2342-slr-8.9-womens-2021.html, https://www.boardmanbikes.com/gb_en/products/2369-slr-8.9-carbon-disc-2021.html