2023 Kinesis Bikes Aithein Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS (47*) | S (50*) | M (53) | L (56) | XL (59) | |
Stack | 525mm | 540mm | 550mm | 575mm | 605mm |
Reach | 370mm | 380mm | 390mm | 399mm | 408mm |
Stack to Reach Ratio | 1.42:1 | 1.42:1 | 1.41:1 | 1.44:1 | 1.48:1 |
Seat Tube Length, C-T | 440mm | 470mm | 530mm | 560mm | 590mm |
Top Tube Length, Actual C-C | 511mm | 535mm | 550mm | 569mm | 588mm |
Top Tube Slope | 11.7deg | 9.8deg | 4.4deg | 3.9deg | 3.9deg |
Head Tube Angle | 71.75deg | 72.5deg | 73deg | 73.5deg | 73.5deg |
Seat Tube Angle | 75deg | 74deg | 73.75deg | 73.5deg | 73.5deg |
Head Tube Length | 128mm | 143mm | 150mm | 175mm | 208mm |
Bottom Bracket Drop | 72mm | 72mm | 70mm | 70mm | 69mm |
Bottom Bracket Height | 267mm | 267mm | 269mm | 269mm | 270mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.6mm | 403.6mm | 404mm | 404mm | 404.2mm |
Front-Center | 573.7mm | 579.3mm | 587.8mm | 599.7mm | 617.8mm |
Front-Center Horizontal | 569.2mm | 574.9mm | 583.6mm | 595.6mm | 614mm |
Wheelbase | 972.8mm | 978.5mm | 987.6mm | 999.6mm | 1018.1mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 368mm | 368mm | 368mm | 368mm | 368mm |
Trail | 64.4mm mid/neutral | 59.7mm mid/neutral | 56.6mm mid/neutral | 53.5mm mid/neutral | 53.5mm mid/neutral |
Mechanical Trail | 61.2mm | 56.9mm | 54.1mm | 51.3mm | 51.3mm |
Wheel Flop | 19.2mm | 17.1mm | 15.8mm | 14.6mm | 14.6mm |
Tire to Pedal Spindle | 64.7mm 170 mm cranks | 70.3mm 170 mm cranks | 78.8mm 170 mm cranks | 90.7mm 170 mm cranks | 108.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 97mm 170 mm cranks | 99mm 170 mm cranks | 99mm 170 mm cranks | 100mm 170 mm cranks |
Base Build
XS (47*) | S (50*) | M (53) | L (56) | XL (59) | |
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 |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1650.8mm | 1656.5mm | 1665.6mm | 1677.6mm | 1696.1mm |
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:https://www.kinesisbikes.co.uk/Catalogue/Models/Racelight/Aithein-Disc-FRAMESET