2025 Zinn Cycles Tui Base M

Build

650B/27.5 in × 50 mm

Insights

Very upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Zinn Cycles Tui

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
597mm
Reach
369mm
Stack to Reach Ratio
1.62:1
Seat Tube Length, C-T
500mm
Top Tube Length, Effective/Horizontal HT Top
545mm
Top Tube Slope
13deg
Head Tube Angle
72deg
Seat Tube Angle
73.5deg
Head Tube Length
160mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
269mm
Chainstay Length
460mm
Chainstay Length Horizontal
454.2mm
Front-Center
591.4mm
Front-Center Horizontal
586.8mm
Wheelbase
1041mm
Fork Offset/Rake
47mm
Fork Length (Axle-To-Crown)
395mm
Trail
61.7mm
mid/​neutral
Mechanical Trail
58.7mm
Wheel Flop
18.1mm
Standover Height
782mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
76.9mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
96.5mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
50mm
Tire Outer Diameter
684mm
Bike Length with Tires
1725mm
Crank Length
172.5mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Titanium
Fork Material
Carbon/Composite
Brake Type
Disc
Features
Women's

Published Sizing Recommendations

Height
5 ft 6 in
to
5 ft 10 in
Source:https://www.bigandtallbike.com/tui-gravel-road-bike-titanium-gravel-road-touring.html?id=99814453&quantity=1