2021 Cairn Cycles E-Adventure 1.0 650B Base XLarge
Build
650B/27.5 in × 2.25 in
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Cairn Cycles E-Adventure 1.0 650B
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 607mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, Unknown | 550mm |
| Top Tube Length, Effective/Horizontal Unknown | 588mm |
| Top Tube Slope | 8.2deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 185mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 279.2mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 632mm |
| Front-Center Horizontal | 627.7mm |
| Wheelbase | 1052mm |
| Fork Offset/Rake | 48mm |
| Fork Length, Unknown | 398mm |
| Trail | 63mm mid/neutral |
| Mechanical Trail | 59.9mm |
| Wheel Flop | 18.5mm |
| Standover Height | 835mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 110.4mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 106.7mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 698.3mm |
| Bike Length with Tires | 1750.3mm |
| Crank Length | 172.5mm |
| Handlebar Width | 500mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
| Features | E-bike |
Published Sizing Recommendations
| Height | 180 cm to 200 cm |
Source:https://www.cairncycles.com/collections/ebikes-e-adventure/products/cairn-e-adventure-1-0-gravel-bike