2021 Co-Op Cycles ADV 4.2 Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 573.9mm | 587.1mm | 606mm | 624.9mm | 653.3mm |
Reach | 390.5mm | 406mm | 419.5mm | 432.9mm | 443.2mm |
Stack to Reach Ratio | 1.47:1 | 1.45:1 | 1.44:1 | 1.44:1 | 1.47:1 |
Seat Tube Length, C-T | 330mm | 370mm | 420mm | 470mm | 520mm |
Top Tube Length, Effective/Horizontal Center | 560mm | 580mm | 600mm | 620mm | 640mm |
Top Tube Slope | 27.9deg | 24.4deg | 20.7deg | 17.1deg | 14.7deg |
Head Tube Angle | 70.3deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 120mm | — | — | — | — |
Bottom Bracket Drop | 55mm | 55mm | 55mm | 55mm | 55mm |
Bottom Bracket Height | 308.1mm | 308.1mm | 308.1mm | 308.1mm | 308.1mm |
Chainstay Length | 455mm | 455mm | 455mm | 455mm | 455mm |
Chainstay Length Horizontal | 451.7mm | 451.7mm | 451.7mm | 451.7mm | 451.7mm |
Front-Center | 635mm | 644.4mm | 664.3mm | 684.3mm | 704.2mm |
Front-Center Horizontal | 632.6mm | 642mm | 662mm | 682mm | 702mm |
Wheelbase | 1084.3mm | 1093.7mm | 1113.7mm | 1133.7mm | 1153.7mm |
Fork Offset/Rake | 55mm | 50mm | 50mm | 50mm | 50mm |
Trail | 71.6mm high | 72.2mm high | 72.2mm high | 72.2mm high | 72.2mm high |
Mechanical Trail | 67.4mm | 68.2mm | 68.2mm | 68.2mm | 68.2mm |
Wheel Flop | 22.7mm | 22.2mm | 22.2mm | 22.2mm | 22.2mm |
Standover Height | 679.6mm | 708.6mm | 744.6mm | 778.4mm | 814.3mm |
Tire to Pedal Spindle | 101.9mm 170 mm cranks | 111.3mm 170 mm cranks | 131.2mm 170 mm cranks | 151.1mm 170 mm cranks | 171.1mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 138.1mm 170 mm cranks | 138.1mm 170 mm cranks | 138.1mm 170 mm cranks | 138.1mm 170 mm cranks | 138.1mm 170 mm cranks |
Base Build
XS | S | M | L | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.8in | 2.8in | 2.8in | 2.8in | 2.8in |
Tire Outer Diameter | 726.2mm | 726.2mm | 726.2mm | 726.2mm | 726.2mm |
Bike Length with Tires | 1810.5mm | 1819.9mm | 1839.9mm | 1859.9mm | 1879.9mm |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 3 in | 5 ft 3 in to 5 ft 6 in | 5 ft 6 in to 5 ft 9 in | 5 ft 9 in to 6 ft 0 in | 6 ft 0 in to 6 ft 3 in |
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
Rigid MTBSource:https://www.rei.com/product/122461/co-op-cycles-adv-42-bike (BB Drop and HT Length from REI Support)