2025 Zinn Cycles Tui Base XXS
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 | 524mm |
| Reach | 324mm |
| Stack to Reach Ratio | 1.62:1 |
| Seat Tube Length, C-T | 360mm |
| Top Tube Length, Effective/Horizontal HT Top | 475mm |
| Top Tube Slope | 22.8deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 90mm |
| Bottom Bracket Height | 247mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 420.5mm |
| Front-Center | 533.2mm |
| Front-Center Horizontal | 525.5mm |
| Wheelbase | 946mm |
| Fork Offset/Rake | 50mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | 63.2mm mid/neutral |
| Mechanical Trail | 59.7mm |
| Wheel Flop | 19.4mm |
| Standover Height | 658mm |
| Tire to Pedal Spindle Distance With 150 mm cranks | 46.2mm |
| Pedal Spindle to Ground Clearance With 150 mm cranks | 97mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 45mm |
| Tire Outer Diameter | 674mm |
| Bike Length with Tires | 1620mm |
| Crank Length | 150mm |
| 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 | 4 ft 9 in to 4 ft 11 in |
Source:https://www.bigandtallbike.com/tui-gravel-road-bike-titanium-gravel-road-touring.html?id=99814453&quantity=1