2024 CHAPTER2 RIRA Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 489mm | 517mm | 545mm | 573mm | 601mm |
Reach | 361mm | 371mm | 381mm | 391mm | 401mm |
Stack to Reach Ratio | 1.35:1 | 1.39:1 | 1.43:1 | 1.47:1 | 1.5:1 |
Seat Tube Length, C-T | 430mm | 450mm | 470mm | 500mm | 530mm |
Top Tube Slope | 9deg | 9.7deg | 10.4deg | 9.9deg | 9.5deg |
Head Tube Angle | 70deg | 72deg | 73deg | 74deg | 74deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 90mm | 112mm | 135mm | 161mm | 191mm |
Bottom Bracket Drop | 74mm | 73.5mm | 73mm | 72.5mm | 72mm |
Bottom Bracket Height | -58mm | -57.5mm | -57mm | -56.5mm | -56mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.3mm | 403.4mm | 403.5mm | 403.5mm | 403.6mm |
Front-Center | 574mm | 576mm | 574mm | 584mm | 602mm |
Front-Center Horizontal | 568.7mm | 570.6mm | 571.6mm | 578.5mm | 597.4mm |
Wheelbase | 972mm | 974mm | 975mm | 982mm | 1001mm |
Fork Offset/Rake | 53mm | 53mm | 43mm | 43mm | 43mm |
Trail | -50.6mm | -50.5mm | -40.1mm | -40.1mm | -40.1mm |
Mechanical Trail | -47.5mm | -48.1mm | -38.3mm | -38.6mm | -38.6mm |
Wheel Flop | -16.3mm | -14.8mm | -11.2mm | -10.6mm | -10.6mm |
Standover Height | 721mm | 744mm | 768mm | 799mm | 827mm |
Tire to Pedal Spindle | 388mm 170 mm cranks | 390mm 170 mm cranks | 388mm 170 mm cranks | 398mm 170 mm cranks | 416mm 170 mm cranks |
Pedal Spindle to Ground Clearance | -228mm 170 mm cranks | -227.5mm 170 mm cranks | -227mm 170 mm cranks | -226.5mm 170 mm cranks | -226mm 170 mm cranks |
Base Build
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 |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Width Max | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 32mm | 32mm | 32mm | 32mm | 32mm |
Bike Length with Tires | 1004mm | 1006mm | 1007mm | 1014mm | 1033mm |
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.chapter2bikes.com/product/rira-white-fade