Topeak Beseen 30 Rear Light R1 This wheelset is tubeless and

This wheelset is tubeless and disc brake only

Bearing: Deep groove ball bearings

For the seriously weight conscious road bike user

Compact and versatile

Rim Inner Width 25mm

Topeak Beseen 30 Rear Light R1 This wheelset is tubeless andTopeak Beseen 30 Rear Light Features Super Bright COB LED Tail Light. USB Type c Rechargeable. Magnetically position the light, then a simple twist securely locks the light in place providing easy and quick adjustment. Specifications Mode Time: High 30 lm (6 hr), Middle 15 lm (12 hr), Blink 8 lm (40 hr), Pulse 8 lm (15 hr)Lamp: COB LEDsLamp Housing: Injection molded polymerBattery: 3. 7V 360mAh Lithium Ion (integrated)Charge Charge Time: USB Type C 2