The Sun Ringle CR-18 is a durable, single eyelet, inexpensive touring rim.
- Triple-box aluminum construction for durability
- Brake Track: Machined
- Color: Black
- Defined Color: Black
- Hub Drilling: 36
- ISO Diameter: 451/ 20 x 1-1/8", 1-3/8"
- Manufacturer Spec ERD (mm): 438
- Rim Center Offset (mm): 0
- Rim Material: Alloy
- Rim Width (Internal): 18
- Tire Type: Clincher
- Valve: Presta
- Weight: 357
- Wheel Size: 20"