Bike-on-Bike
Default Config
Default Config
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of TFSA JH-33
Somewhat upright stack and reach vs trend of performance road bikes
Design deviates from other sizes of SEKA Spear
Geometry
Stack | 492mm | 508mm +16mm |
Reach | 373mm | 362mm -11mm |
Stack to Reach Ratio | 1.32:1 | 1.4:1 |
Seat Tube Length, C-T | 440mm | 449mm +9mm |
Top Tube Length, Effective/Horizontal Center | — | 484mm |
Top Tube Length, Effective/Horizontal Unknown | 500mm | — |
Top Tube Slope | 7.8deg | 8.8deg +1deg |
Head Tube Angle | 71deg | 70.6deg -0.4deg |
Seat Tube Angle | 75.5deg | 75deg -0.5deg |
Head Tube Length | 95mm | 107mm +12mm |
Bottom Bracket Drop | 74mm | 74mm +0mm |
Bottom Bracket Height | 265mm | 265mm +0mm |
Chainstay Length | 415mm | 410mm -5mm |
Chainstay Length Horizontal | 408.4mm | 403.3mm -5.1mm |
Front-Center | 574mm | 570.6mm -3.4mm |
Front-Center Horizontal | 569.7mm | 565.7mm -4mm |
Wheelbase | 978mm | 969mm -9mm |
Fork Offset/Rake | 47mm | 48mm +1mm |
Fork Length (Axle-To-Crown) | 366mm | 372mm +6mm |
Trail | 67mm high | 68.5mm +1.5mm high |
Mechanical Trail | 63.4mm | 64.6mm +1.2mm |
Wheel Flop | 20.6mm | 21.5mm +0.9mm |
Tire to Pedal Spindle | 65mm 170 mm cranks | 61.6mm -3.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 95mm 170 mm cranks | 95mm +0mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm +0mm |
Tire Outer Diameter | 678mm | 678mm +0mm |
Bike Length with Tires | 1656mm | 1647mm -9mm |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Drop Bar | Drop Bar |
| Frame Material | Carbon/Composite | Carbon/Composite |
| Fork Material | Carbon/Composite | Carbon/Composite |
| Brake Type | Disc | Rim |
Meta
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| Source | https://www.aliexpress.com/item/1005003346554169.html?spm=a2g0o.store_pc_groupList.8148356.13.6cd86016VT4P46&pdp_npi=3%40dis%21GBP%21%EF%BF%A1678.96%21%EF%BF%A1475.27%21%21%21%21%21%40211b88ee16859597030906549ebdc8%2112000025340918622%21sh%21UK%212030427602 | https://mp.weixin.qq.com/s/1tTF6ryX5Hz-rCWaa0TTHw |
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