This is one Ukai U-36A double walled rim with a pinned joint. It is designed for use with disc brakes (not compatible with rim brakes). It will accept 29" x 2.4" - 3.0" (622mm) tires.
Size: 29"+ (ISO 622mm)
ERD: 604
Width ID: 36
Width OD: 41
Profile: 17
Drilling: 36
Wall: Double
Valve: Presta
Tire Compatibility: Tubeless Ready
Color: Silver
This rim is not made in Japan, they are made in China.
