2017 J.Guillem Bicycles Mayor Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Rim brake
Geometry
49CM | 52CM | 54CM | 56CM | 58CM | 60CM | |
Stack | 532mm | 544mm | 558mm | 574mm | 591mm | 609.7mm |
Reach | 381mm | 379mm | 384mm | 392mm | 400mm | 410mm |
Stack to Reach Ratio | 1.4:1 | 1.44:1 | 1.45:1 | 1.46:1 | 1.48:1 | 1.49:1 |
Seat Tube Length, C-T | 475mm | 505mm | 525mm | 545mm | 565mm | 585mm |
Seat Tube Length, C-C | 440mm | 470mm | 490mm | 510mm | 530mm | 550mm |
Top Tube Length, Effective/Horizontal Center | 520mm | 535mm | 550mm | 565mm | 580mm | 600mm |
Top Tube Length, Actual C-C | 506mm | 521mm | 536mm | 551mm | 566mm | 586mm |
Top Tube Slope | 8.7deg | 6.8deg | 6.2deg | 5.8deg | 5.5deg | 5.1deg |
Head Tube Angle | 72.25deg | 73deg | 73deg | 73.5deg | 73.5deg | 73.5deg |
Seat Tube Angle | 75.5deg | 74deg | 73.5deg | 73.25deg | 73deg | 72.5deg |
Head Tube Length | 130mm | 140mm | 155mm | 170mm | 190mm | 205mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 68mm | 68mm |
Bottom Bracket Height | 266mm | 266mm | 266mm | 266mm | 268mm | 268mm |
Chainstay Length | 405mm | 405mm | 405mm | 405mm | 407mm | 410mm |
Chainstay Length Horizontal | 398.9mm | 398.9mm | 398.9mm | 398.9mm | 401.3mm | 404.3mm |
Front-Center | 578mm | 573mm | 583mm | 591mm | 603mm | 618mm |
Front-Center Horizontal | 574.1mm | 568.1mm | 579.1mm | 587.1mm | 598.7mm | 613.7mm |
Wheelbase | 973mm | 967mm | 978mm | 986mm | 1000mm | 1018mm |
Fork Offset/Rake | 43.1mm | 42.3mm | 43.9mm | 43.9mm | 42mm | — |
Trail | 62.4mm mid/neutral | 58.6mm mid/neutral | 56.8mm mid/neutral | 53.7mm mid/neutral | 55.7mm mid/neutral | — — |
Mechanical Trail | 59.4mm | 56mm | 54.3mm | 51.5mm | 53.4mm | — |
Wheel Flop | 18.1mm | 16.4mm | 15.9mm | 14.6mm | 15.2mm | — |
Standover Height | 747mm | 766mm | 782mm | 799mm | 819mm | 835mm |
Tire to Pedal Spindle | 72mm 170 mm cranks | 67mm 170 mm cranks | 77mm 170 mm cranks | 85mm 170 mm cranks | 97mm 170 mm cranks | 112mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 96mm 170 mm cranks | 96mm 170 mm cranks | 96mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
49CM | 52CM | 54CM | 56CM | 58CM | 60CM | |
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 |
Tire Width | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1645mm | 1639mm | 1650mm | 1658mm | 1672mm | 1690mm |
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
Performance RoadSource:https://www.planetx.co.uk/news/products/q/date/2017/08/24/j-guillem-major-geometry