2021 J.Laverack Bicycles J.ACK Frameset 48

Build

700C/29 in × 32 mm

Insights

Somewhat upright 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
521.2mm
Reach
358mm
Stack to Reach Ratio
1.46:1
Seat Tube Length, C-T
480mm
Top Tube Length, Effective/Horizontal Unknown
517.3mm
Top Tube Length, Actual C-C
501.4mm
Top Tube Slope
7.1deg
Head Tube Angle
70.5deg
Seat Tube Angle
73deg
Head Tube Length
100mm
Bottom Bracket Drop
70mm
Bottom Bracket Height
273mm
Chainstay Length
420mm
Chainstay Length Horizontal
414.1mm
Front-Center
573.7mm
Front-Center Horizontal
569.5mm
Wheelbase
983.6mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
395mm
Trail
73.7mm
high
Mechanical Trail
69.5mm
Wheel Flop
23.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
60.7mm
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
1669.6mm
Crank Length
170mm
Handlebar Width
39cm
Stem Length
85mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

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