2023 Ridley Bikes Helium SL carbon
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XXS | XS | S | M | L | XL | |
Stack | 507mm | 527mm | 542mm | 573mm | 599mm | 624mm |
Reach | 379mm | 374mm | 384mm | 390mm | 396mm | 403mm |
Stack to Reach Ratio | 1.34:1 | 1.41:1 | 1.41:1 | 1.47:1 | 1.51:1 | 1.55:1 |
Seat Tube Length, C-T | 450mm | 480mm | 510mm | 540mm | 570mm | 600mm |
Top Tube Length, Effective/Horizontal Center | 515mm | 525mm | 545mm | 565mm | 585mm | 600mm |
Top Tube Slope | 8.3deg | 7.4deg | 5.7deg | 5.9deg | 5.6deg | 5.1deg |
Head Tube Angle | 71.8deg | 72deg | 73deg | 73.5deg | 73.5deg | 74deg |
Seat Tube Angle | 75deg | 74deg | 73.5deg | 73deg | 72.5deg | 72.5deg |
Head Tube Length | 110mm | 130mm | 145mm | 175mm | 205mm | 230mm |
Bottom Bracket Drop | 68mm | 68mm | 66mm | 66mm | 63mm | 63mm |
Bottom Bracket Height | 271mm | 271mm | 273mm | 273mm | 276mm | 276mm |
Chainstay Length | 405mm | 405mm | 405mm | 405mm | 408mm | 408mm |
Chainstay Length Horizontal | 399.3mm | 399.3mm | 399.6mm | 399.6mm | 403.1mm | 403.1mm |
Front-Center | 574.8mm | 574.8mm | 581.2mm | 591.1mm | 605.2mm | 614.1mm |
Front-Center Horizontal | 570.8mm | 570.8mm | 577.4mm | 587.4mm | 601.9mm | 610.9mm |
Wheelbase | 970mm | 970mm | 977mm | 987mm | 1005mm | 1014mm |
Fork Offset/Rake | 45mm | 45.3mm | 45.8mm | 45.3mm | 45.2mm | 45.2mm |
Trail | 64mm mid/neutral | 62.5mm mid/neutral | 55.8mm mid/neutral | 53.2mm mid/neutral | 53.3mm mid/neutral | 50.2mm mid/neutral |
Mechanical Trail | 60.8mm | 59.5mm | 53.3mm | 51mm | 51.1mm | 48.2mm |
Wheel Flop | 19mm | 18.4mm | 15.6mm | 14.5mm | 14.5mm | 13.3mm |
Tire to Pedal Spindle | 65.8mm 170 mm cranks | 65.8mm 170 mm cranks | 72.2mm 170 mm cranks | 82.1mm 170 mm cranks | 96.2mm 170 mm cranks | 105.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 106mm 170 mm cranks | 106mm 170 mm cranks |
carbon Build
XXS | XS | S | M | L | XL | |
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 Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1648mm | 1648mm | 1655mm | 1665mm | 1683mm | 1692mm |
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://ridley-bikes.com/en_US/bikes/SBIHEDRID135