2019 Mason Cycles Bokeh 105 Hydro 650b 54CM
Build
650B/27.5 in × 50 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 568.1mm |
| Reach | 376.2mm |
| Stack to Reach Ratio | 1.51:1 |
| Seat Tube Length, C-T | 540mm |
| Seat Tube Length, C-C | 493.5mm |
| Top Tube Length, Effective/Horizontal Center | 551mm |
| Top Tube Length, Actual C-C | 534.4mm |
| Top Tube Slope | 7.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 73mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 428.8mm |
| Front-Center | 604mm |
| Front-Center Horizontal | 599.6mm |
| Wheelbase | 1028.4mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 398mm |
| Trail | 64.9mm mid/neutral |
| Mechanical Trail | 61.3mm |
| Wheel Flop | 20mm |
| Standover Height | 799.4mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 89.5mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 96.5mm |
105 Hydro 650b Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 50mm |
| Tire Outer Diameter | 684mm |
| Bike Length with Tires | 1712.4mm |
| Crank Length | 172.5mm |
| Handlebar Width | 44cm |
| Stem Length | 100mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 170 cm to 180 cm |
Source:https://masoncycles.cc/products/bokeh-105-hydro