2021 Co-Op Cycles ADV 4.2 Base XS
Build
650B/27.5 in × 2.8 in
Insights
Design deviates from other sizes of Co-Op Cycles ADV 4.2
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 573.9mm |
| Reach | 390.5mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 330mm |
| Top Tube Length, Effective/Horizontal Center | 560mm |
| Top Tube Slope | 27.9deg |
| Head Tube Angle | 70.3deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 55mm |
| Bottom Bracket Height | 308.1mm |
| Chainstay Length | 455mm |
| Chainstay Length Horizontal | 451.7mm |
| Front-Center | 635mm |
| Front-Center Horizontal | 632.6mm |
| Wheelbase | 1084.3mm |
| Fork Offset/Rake | 55mm |
| Trail | 71.6mm high |
| Mechanical Trail | 67.4mm |
| Wheel Flop | 22.7mm |
| Standover Height | 679.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 101.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 138.1mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1810.5mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 0 in to 5 ft 3 in |
Source:https://www.rei.com/product/122461/co-op-cycles-adv-42-bike (BB Drop and HT Length from REI Support)