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 aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of SEKA Spear
Geometry
Stack | 555mm | 560mm +5mm |
Reach | 398mm | 397mm -1mm |
Stack to Reach Ratio | 1.39:1 | 1.41:1 |
Seat Tube Length, C-T | 496mm | 496mm +0mm |
Top Tube Length, Effective/Horizontal Center | — | 544mm |
Top Tube Length, Effective/Horizontal Unknown | 563mm | — |
Top Tube Slope | 8.4deg | 8.9deg +0.5deg |
Head Tube Angle | 73.5deg | 73.1deg -0.4deg |
Seat Tube Angle | 73.5deg | 73.5deg +0deg |
Head Tube Length | 151mm | 153mm +2mm |
Bottom Bracket Drop | 74mm | 72mm -2mm |
Bottom Bracket Height | 265mm | 267mm +2mm |
Chainstay Length | 415mm | 410mm -5mm |
Chainstay Length Horizontal | 408.4mm | 403.6mm -4.8mm |
Front-Center | 592mm | 595.7mm +3.7mm |
Front-Center Horizontal | 587.7mm | 591.4mm +3.7mm |
Wheelbase | 996mm | 995mm -1mm |
Fork Offset/Rake | 47mm | 44mm -3mm |
Fork Length (Axle-To-Crown) | 366mm | 372mm +6mm |
Trail | 51.4mm mid/neutral | 57mm +5.6mm mid/neutral |
Mechanical Trail | 49.3mm | 54.6mm +5.3mm |
Wheel Flop | 14mm | 15.9mm +1.9mm |
Tire to Pedal Spindle | 83mm 170 mm cranks | 86.7mm +3.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 95mm 170 mm cranks | 97mm +2mm 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 | 1674mm | 1673mm -1mm |
| 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://www.sekabikes.com/spear-2/ |
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