2021 J.Guillem Bicycles Atalaya 27.5 52CM

Build

650B/27.5 in × 2.1 in

Insights

Somewhat aggressive stack and reach vs trend of all-road/gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
528mm
Reach
381mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-T
505mm
Seat Tube Length, C-C
460mm
Top Tube Length, Effective/Horizontal Center
535mm
Top Tube Slope
4.7deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
120mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
275.3mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.1mm
Front-Center
603mm
Front-Center Horizontal
603.9mm
Wheelbase
1018mm
Fork Offset/Rake
47mm
Trail
75.7mm
high
Mechanical Trail
71.1mm
Wheel Flop
24.3mm
Tire to Pedal Spindle Distance
With 170 mm cranks
87.7mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
105.3mm

27.5 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.1in
Tire Outer Diameter
690.7mm
Bike Length with Tires
1708.7mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://jguillem.com/bike/atalaya-gravel