2019 Obed Bikes Boundary 650b S
Build
650B/27.5 in × 53 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 375mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, C-TTT | 520mm |
| Top Tube Length, Effective/Horizontal Center | 535mm |
| Top Tube Slope | 4.1deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 67mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 429.8mm |
| Front-Center | 595mm |
| Front-Center Horizontal | 591.2mm |
| Wheelbase | 1021mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 65.9mm high |
| Mechanical Trail | 62.3mm |
| Wheel Flop | 20.3mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 80mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 53mm |
| Tire Outer Diameter | 690mm |
| Bike Length with Tires | 1711mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 4 in to 5 ft 8 in |
Source:https://ocoeebikes.com/collections/gravel/products/boundary-frameset