2023 REI Coop ADV 3.1 Base
- Category
- Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 532mm | 536.7mm | 567mm | 588.7mm | 631.1mm |
Reach | 367.5mm | 371.1mm | 377mm | 380mm | 387mm |
Stack to Reach Ratio | 1.45:1 | 1.45:1 | 1.5:1 | 1.55:1 | 1.63:1 |
Seat Tube Length, C-T | 390mm | 430mm | 470mm | 510mm | 550mm |
Top Tube Length, Effective/Horizontal Center | 515mm | 525mm | 545mm | 560mm | 580mm |
Top Tube Slope | 18.3deg | 14.1deg | 12.8deg | 10.8deg | 10.9deg |
Head Tube Angle | 70deg | 70deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 74.5deg | 74deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 100mm | 127mm | 153mm | 176mm | 229mm |
Bottom Bracket Height | — | — | — | — | — |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
Wheelbase | 1043.6mm | 1049mm | 1050mm | 1060.6mm | 1082.5mm |
Fork Offset/Rake | 55mm | 55mm | 50mm | 50mm | 50mm |
Trail | 66mm high | 66mm high | 64.9mm mid/neutral | 64.9mm mid/neutral | 64.9mm mid/neutral |
Mechanical Trail | 62mm | 62mm | 61.3mm | 61.3mm | 61.3mm |
Wheel Flop | 21.2mm | 21.2mm | 20mm | 20mm | 20mm |
Standover Height | 713.8mm | 738.4mm | 768.4mm | 799.4mm | 843mm |
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 | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 684mm | 684mm | 684mm | 684mm | 684mm |
Bike Length with Tires | 1727.6mm | 1733mm | 1734mm | 1744.6mm | 1766.5mm |
Published Sizing Recommendations
Height | 4 ft 2 in to | 4 ft 5 in to | 4 ft 8 in to | 4 ft 11 in to | 5 ft 0 in 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
TouringSource:https://www.rei.com/product/180598/co-op-cycles-adv-31-bike