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