2025 TanTan Cycling (Seraph) TT-X71 Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
45 | 49 | 52 | 54 | 56 | 58 | |
Stack | 502mm | 503mm | 523mm | 541mm | 565mm | 587mm |
Reach | 360mm | 370mm | 376mm | 384mm | 392mm | 401mm |
Stack to Reach Ratio | 1.39:1 | 1.36:1 | 1.39:1 | 1.41:1 | 1.44:1 | 1.46:1 |
Seat Tube Length, Unknown | 432mm | 454mm | 483mm | 502mm | 524mm | 531mm |
Top Tube Length, Effective/Horizontal HT Top | 490mm | 509mm | 526mm | 539mm | 559mm | 575mm |
Top Tube Slope | 10.1deg | 7.6deg | 6.6deg | 6.4deg | 6.6deg | 8deg |
Head Tube Angle | 71.1deg | 71.1deg | 72.5deg | 72.5deg | 73.3deg | 73.3deg |
Seat Tube Angle | 75.5deg | 74.5deg | 74deg | 74deg | 73.5deg | 73.5deg |
Head Tube Length | 108mm | 109mm | 125mm | 145mm | 165mm | 188mm |
Bottom Bracket Drop | 72mm | 72mm | 72mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 267mm | 267mm | 267mm | 269mm | 269mm | 269mm |
Chainstay Length | 405mm | 405mm | 405mm | 405mm | 405mm | 405mm |
Chainstay Length Horizontal | 398.6mm | 398.6mm | 398.6mm | 398.9mm | 398.9mm | 398.9mm |
Front-Center | 568mm | 578mm | 578mm | 593mm | 600.2mm | 615mm |
Front-Center Horizontal | 563.5mm | 573.5mm | 573.5mm | 588.1mm | 596.1mm | 611.1mm |
Wheelbase | 962mm | 972mm | 972mm | 987mm | 995mm | 1010mm |
Fork Offset/Rake | 53mm | 53mm | 53mm | 53mm | 53mm | 53mm |
Trail | 60.1mm mid/neutral | 60.1mm mid/neutral | 51.3mm mid/neutral | 51.3mm mid/neutral | 46.4mm mid/neutral | 46.4mm mid/neutral |
Mechanical Trail | 56.8mm | 56.8mm | 48.9mm | 48.9mm | 44.4mm | 44.4mm |
Wheel Flop | 18.4mm | 18.4mm | 14.7mm | 14.7mm | 12.8mm | 12.8mm |
Tire to Pedal Spindle | 59mm 170 mm cranks | 69mm 170 mm cranks | 69mm 170 mm cranks | 84mm 170 mm cranks | 91.2mm 170 mm cranks | 106mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 97mm 170 mm cranks | 97mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks |
Base Build
45 | 49 | 52 | 54 | 56 | 58 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Width Max | 30mm | 30mm | 30mm | 30mm | 30mm | 30mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1640mm | 1650mm | 1650mm | 1665mm | 1673mm | 1688mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Performance RoadSource:http://tantancycling.com/index.php?_m=mod_product&_a=view&p_id=1199&__A=3b148223ab9502f82e0f044e49b4dd9691754495236_686574