2020 Mason Cycles Definition Ultegra Hydro
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
50CM | 52CM | 54CM | 56CM | 58CM | 60CM | 62CM | |
Stack | 543.3mm | 552.8mm | 565.5mm | 579.7mm | 591.1mm | 599.1mm | 620.1mm |
Reach | 380.6mm | 382.5mm | 383mm | 388.3mm | 394.7mm | 396.8mm | 405.5mm |
Stack to Reach Ratio | 1.43:1 | 1.45:1 | 1.48:1 | 1.49:1 | 1.5:1 | 1.51:1 | 1.53:1 |
Seat Tube Length, C-T | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm | 620mm |
Seat Tube Length, C-C | 452.7mm | 473mm | 493.5mm | 513.6mm | 534.1mm | 554mm | 574.3mm |
Top Tube Length, Effective/Horizontal Center | 532.8mm | 537.4mm | 551.5mm | 561.1mm | 581.3mm | 586mm | 601mm |
Top Tube Length, Actual C-C | 516.8mm | 522.7mm | 536.3mm | 546.7mm | 566.9mm | 574.3mm | 588.8mm |
Top Tube Slope | 9deg | 7.7deg | 6.9deg | 6.3deg | 5.4deg | 4.2deg | 4.3deg |
Head Tube Angle | 71.5deg | 71.5deg | 71.5deg | 71.5deg | 72deg | 72deg | 72.5deg |
Seat Tube Angle | 74.5deg | 74.5deg | 73.5deg | 73.5deg | 72.5deg | 72.5deg | 72.5deg |
Head Tube Length | 130mm | 140mm | 155mm | 170mm | 180mm | 190mm | 210mm |
Bottom Bracket Drop | 73mm | 73mm | 71.5mm | 71.5mm | 71.5mm | 70mm | 70mm |
Bottom Bracket Height | 268mm | 268mm | 269.5mm | 269.5mm | 269.5mm | 271mm | 271mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | 413.6mm | 413.6mm | 413.9mm | 413.9mm | 413.9mm | 414.1mm | 414.1mm |
Front-Center | 590mm | 595mm | 600mm | 610mm | 615mm | 620mm | 630mm |
Front-Center Horizontal | 585.5mm | 590.5mm | 595.7mm | 605.8mm | 610.8mm | 616.1mm | 626.1mm |
Wheelbase | 999.1mm | 1004.1mm | 1009.6mm | 1019.7mm | 1024.7mm | 1030.2mm | 1040.2mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 380mm | 380mm | 380mm | 380mm | 380mm | 380mm | 380mm |
Trail | 66.6mm high | 66.6mm high | 66.6mm high | 66.6mm high | 63.5mm mid/​neutral | 63.5mm mid/​neutral | 60.3mm mid/​neutral |
Mechanical Trail | 63.2mm | 63.2mm | 63.2mm | 63.2mm | 60.4mm | 60.4mm | 57.5mm |
Wheel Flop | 20.1mm | 20.1mm | 20.1mm | 20.1mm | 18.7mm | 18.7mm | 17.3mm |
Standover Height | 756.5mm | 770.8mm | 787.3mm | 804mm | 818.1mm | 833.1mm | 853.2mm |
Tire to Pedal Spindle | 79mm 170 mm cranks | 84mm 170 mm cranks | 86.5mm 172.5 mm cranks | 96.5mm 172.5 mm cranks | 99mm 175 mm cranks | 104mm 175 mm cranks | 114mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 97mm 172.5 mm cranks | 97mm 172.5 mm cranks | 94.5mm 175 mm cranks | 96mm 175 mm cranks | 96mm 175 mm cranks |
Ultegra Hydro Build
50CM | 52CM | 54CM | 56CM | 58CM | 60CM | 62CM | |
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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 30mm | 30mm | 30mm | 30mm | 30mm | 30mm | 30mm |
Tire Width Max | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Outer Diameter | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm | 682mm |
Bike Length with Tires | 1681.1mm | 1686.1mm | 1691.6mm | 1701.7mm | 1706.7mm | 1712.2mm | 1722.2mm |
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 | 190 cm to |
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://masoncycles.cc/products/definition-ultegra-hydro