2025 Zinn Cycles Tui Base S
Build
650B/27.5 in × 45 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 | 569mm |
| Reach | 356mm |
| Stack to Reach Ratio | 1.6:1 |
| Seat Tube Length, C-T | 460mm |
| Top Tube Length, Effective/Horizontal HT Top | 525mm |
| Top Tube Slope | 14.7deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 61mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.7mm |
| Front-Center | 576.6mm |
| Front-Center Horizontal | 573.4mm |
| Wheelbase | 999mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | 56.9mm mid/neutral |
| Mechanical Trail | 54.1mm |
| Wheel Flop | 16.7mm |
| Standover Height | 737mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 74.6mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 111mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 674mm |
| Bike Length with Tires | 1673mm |
| Crank Length | 165mm |
| 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 3 in to 5 ft 6 in |
Source:https://www.bigandtallbike.com/tui-gravel-road-bike-titanium-gravel-road-touring.html?id=99814453&quantity=1