2021 J.Laverack Bicycles J.ACK Frameset 50

Build

700C/29 in × 32 mm

Insights

Average stack and reach vs trend of endurance road bikes
Design deviates from other sizes of J.Laverack Bicycles J.ACK

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
532.4mm
Reach
364mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal Unknown
526.8mm
Top Tube Length, Actual C-C
512mm
Top Tube Slope
6.1deg
Head Tube Angle
71deg
Seat Tube Angle
73deg
Head Tube Length
110mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
273mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.1mm
Front-Center
581.6mm
Front-Center Horizontal
577.4mm
Wheelbase
991.5mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
395mm
Trail
70.5mm
high
Mechanical Trail
66.7mm
Wheel Flop
21.7mm
Tire to Pedal Spindle Distance
With 170 mm cranks
68.6mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
103mm

Frameset Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
32mm
Tire Outer Diameter
686mm
Bike Length with Tires
1677.5mm
Crank Length
170mm
Handlebar Width
40cm
Stem Length
90mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
156 cm
to
164 cm
Source:https://www.jlaverack.co.uk/jack-frameset-build/