2023 REI Coop ADV 2.1 Base XS
Build
700C/29 in × 35 mm
Insights
Somewhat aggressive stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of REI Coop ADV 2.1
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 521mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, C-T | 385mm |
| Top Tube Length, Effective/Horizontal Center | 513mm |
| Top Tube Slope | 17.5deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 75deg |
| Chainstay Length | 432mm |
| Wheelbase | 1022mm |
| Fork Offset/Rake | 55mm |
| Trail | 67.4mm high |
| Mechanical Trail | 63.3mm |
| Wheel Flop | 21.7mm |
| Standover Height | 698.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | — |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1714mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.rei.com/product/159858/co-op-cycles-adv-21-bike?cm_mmc=sm_cura&CAWELAID=120217890010350519