2025 TanTan Cycling (Seraph) Tt928 Base 53

Build

700C/29 in × 28 mm

Insights

Somewhat aggressive stack and reach vs trend of triathlon bikes
Bar type unusual for category
This: Aero Bar
Category: Drop Bar
vs triathlon bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
500mm
Reach
410mm
Stack to Reach Ratio
1.22:1
Seat Tube Length, C-TTT
530mm
Top Tube Length, Effective/Horizontal Center
521mm
Top Tube Slope
-4deg
Head Tube Angle
72deg
Seat Tube Angle
77.5deg
Head Tube Length
90mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
264mm
Chainstay Length
410mm
Chainstay Length Horizontal
403.1mm
Front-Center
582mm
Front-Center Horizontal
594.9mm
Wheelbase
998mm
Fork Offset/Rake
45mm
Fork Length, Unknown
370mm
Trail
62.8mm
mid/​neutral
Mechanical Trail
59.8mm
Wheel Flop
18.5mm
Standover Height
782mm
Tire to Pedal Spindle Distance
With 170 mm cranks
73mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
94mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1676mm
Handlebar Width
400mm
Stem Length
100mm
Stem Angle
-18deg
Suspension Type
Rigid, non-suspension corrected
Bar Type
Aero Bar
Frame Material
Carbon/Composite
Fork Material
Carbon/Composite
Brake Type
Disc
Source:https://www.seraphbikes.com/UDH-Carbon-Time-Trial-Bicycle-Frame-TT928-TT-Bike-Frame-Aero-Triathlon-Bike-Frameset-High-Quality-Disc-Brake-Max-Tire-70030C-p6901419.html