2019 Mason Cycles Bokeh 105 Hydro 650b
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
50CM | 52CM | 54CM | 56CM | 58CM | 60CM | 62CM | |
Stack | 537.9mm | 554mm | 568.1mm | 579.5mm | 587.9mm | 607mm | 630.7mm |
Reach | 363.5mm | 374mm | 376.2mm | 383.4mm | 395.2mm | 399.1mm | 401.4mm |
Stack to Reach Ratio | 1.48:1 | 1.48:1 | 1.51:1 | 1.51:1 | 1.49:1 | 1.52:1 | 1.57:1 |
Seat Tube Length, C-T | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm | 620mm |
Seat Tube Length, C-C | 453mm | 473mm | 493.5mm | 513.7mm | 534.1mm | 554.2mm | 574.7mm |
Top Tube Length, Effective/Horizontal Center | 519.9mm | 535.9mm | 551mm | 561.4mm | 580.8mm | 590.7mm | 600.5mm |
Top Tube Length, Actual C-C | 503.9mm | 520.3mm | 534.4mm | 546.3mm | 567.2mm | 577.1mm | 585.8mm |
Top Tube Slope | 8.7deg | 7.9deg | 7.4deg | 6.3deg | 5.1deg | 5deg | 5.4deg |
Head Tube Angle | 70deg | 70.5deg | 71deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 74deg | 73deg | 73deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 115mm | 130mm | 145mm | 155mm | 165mm | 185mm | 210mm |
Bottom Bracket Drop | 75mm | 75mm | 73mm | 73mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 267mm | 267mm | 269mm | 269mm | 272mm | 272mm | 272mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 428.5mm | 428.5mm | 428.8mm | 428.8mm | 429.3mm | 429.3mm | 429.3mm |
Front-Center | 590mm | 602mm | 604mm | 610mm | 620mm | 630mm | 640mm |
Front-Center Horizontal | 585.2mm | 593.3mm | 599.6mm | 605.6mm | 616.1mm | 626.1mm | 636.2mm |
Wheelbase | 1013.7mm | 1021.8mm | 1028.4mm | 1034.4mm | 1045.4mm | 1055.4mm | 1065.5mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Fork Length (On-Axis) | 398mm | 398mm | 398mm | 398mm | 398mm | 398mm | 398mm |
Trail | 71.3mm high | 68.1mm high | 64.9mm mid/​neutral | 61.7mm mid/​neutral | 58.6mm mid/​neutral | 58.6mm mid/​neutral | 58.6mm mid/​neutral |
Mechanical Trail | 67mm | 64.2mm | 61.3mm | 58.5mm | 55.7mm | 55.7mm | 55.7mm |
Wheel Flop | 22.9mm | 21.4mm | 20mm | 18.6mm | 17.2mm | 17.2mm | 17.2mm |
Standover Height | 764.1mm | 781.8mm | 799.4mm | 814.8mm | 831mm | 850mm | 871.7mm |
Tire to Pedal Spindle | 78mm 170 mm cranks | 90mm 170 mm cranks | 89.5mm 172.5 mm cranks | 95.5mm 172.5 mm cranks | 103mm 175 mm cranks | 113mm 175 mm cranks | 123mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 97mm 170 mm cranks | 96.5mm 172.5 mm cranks | 96.5mm 172.5 mm cranks | 97mm 175 mm cranks | 97mm 175 mm cranks | 97mm 175 mm cranks |
105 Hydro 650b Build
50CM | 52CM | 54CM | 56CM | 58CM | 60CM | 62CM | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Width Max | 52mm | 52mm | 52mm | 52mm | 52mm | 52mm | 52mm |
Tire Outer Diameter | 684mm | 684mm | 684mm | 684mm | 684mm | 684mm | 684mm |
Bike Length with Tires | 1697.7mm | 1705.8mm | 1712.4mm | 1718.4mm | 1729.4mm | 1739.4mm | 1749.5mm |
Crank Length | 170mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm | 175mm |
Handlebar Width | 42cm | 42cm | 44cm | 44cm | 46cm | 46cm | 46cm |
Stem Length | 90mm | 90mm | 100mm | 110mm | 110mm | 120mm | 120mm |
Published Sizing Recommendations
Height | 157 cm to 168 cm | 163 cm to 172 cm | 170 cm to 180 cm | 175 cm to 185 cm | 180 cm to 188 cm | 185 cm to 193 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
All-road/GravelSource:https://masoncycles.cc/products/bokeh-105-hydro