2022 CHIRU Divider Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Rigid, suspension corrected
- Frame
- Titanium
Geometry
S | S | M | M | L | L | XL | XL | |
Stack | 610mm | 610mm | 622mm | 622mm | 630mm | 630mm | 632mm | 632mm |
Reach | 428mm | 428mm | 439mm | 439mm | 452mm | 452mm | 453mm | 453mm |
Stack to Reach Ratio | 1.43:1 | 1.43:1 | 1.42:1 | 1.42:1 | 1.39:1 | 1.39:1 | 1.4:1 | 1.4:1 |
Seat Tube Length, Unknown | 450mm | 450mm | 470mm | 470mm | 510mm | 510mm | 540mm | 540mm |
Top Tube Length, Effective/Horizontal Unknown | 595mm | 595mm | 610mm | 610mm | 625mm | 625mm | 640mm | 640mm |
Top Tube Slope | 17.8deg | 17.8deg | 16.7deg | 16.7deg | 13.3deg | 13.3deg | 10.7deg | 10.7deg |
Head Tube Angle | 68.5deg | 68.5deg | 69deg | 69deg | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg |
Head Tube Length | 100mm | 100mm | 110mm | 110mm | 120mm | 120mm | 130mm | 130mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 308.2mm | 308.2mm | 253.3mm | 308.2mm | 253.3mm | 308.2mm | 253.3mm | 308.2mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm |
Front-Center | 700.8mm | 700.8mm | 710.7mm | 710.7mm | 726.7mm | 726.7mm | 752.6mm | 752.6mm |
Front-Center Horizontal | 698.2mm | 698.2mm | 708.2mm | 708.2mm | 724.2mm | 724.2mm | 750.2mm | 750.2mm |
Wheelbase | 1124mm | 1124mm | 1134mm | 1134mm | 1150mm | 1150mm | 1176mm | 1176mm |
Fork Offset/Rake | 49.8mm | 49.8mm | 49.9mm | 49.9mm | 49.9mm | 49.9mm | 72.5mm | 72.5mm |
Trail | 91.5mm very high | 91.5mm very high | 66.8mm high | 87.8mm very high | 66.8mm high | 87.9mm very high | 42.6mm low | 63.7mm mid/​neutral |
Mechanical Trail | 85.1mm | 85.1mm | 62.3mm | 82mm | 62.4mm | 82.1mm | 39.8mm | 59.5mm |
Wheel Flop | 31.2mm | 31.2mm | 22.3mm | 29.4mm | 22.4mm | 29.4mm | 14.3mm | 21.3mm |
Tire to Pedal Spindle | 162.6mm 170 mm cranks | 162.6mm 170 mm cranks | 227.5mm 170 mm cranks | 172.6mm 170 mm cranks | 243.4mm 170 mm cranks | 188.5mm 170 mm cranks | 269.4mm 170 mm cranks | 214.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 83.3mm 170 mm cranks | 138.2mm 170 mm cranks | 83.3mm 170 mm cranks | 138.2mm 170 mm cranks | 83.3mm 170 mm cranks | 138.2mm 170 mm cranks |
Base Build
S | S | M | M | L | L | XL | 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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.3mm | 2.25in | 2.3mm | 2.25in | 2.3mm | 2.25in |
Tire Width Max | 2.8in | 2.8in | 2.8mm | 2.8mm | 2.8mm | 2.8mm | 2.8mm | 2.8mm |
Tire Outer Diameter | 736.3mm | 736.3mm | 626.5mm | 736.3mm | 626.5mm | 736.3mm | 626.5mm | 736.3mm |
Bike Length with Tires | 1860.3mm | 1860.3mm | 1760.5mm | 1870.3mm | 1776.5mm | 1886.3mm | 1802.5mm | 1912.3mm |
Published Sizing Recommendations
Height | 163 cm to 173 cm | 163 cm to 173 cm | 173 cm to 180 cm | 173 cm to 180 cm | 180 cm to 190 cm | 180 cm to 190 cm | 190 cm to | 190 cm to |
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
Hardtail Cross-country MTBSource:https://chirubikes.nz/chiru-bikes-divider/, https://www.chirubikes.com/kit-cadre/divider/