Portland Design Works Io USB Rechargeable Taillight Model=36 SL Performance Suspension Fork Compatible with 16 to 22

Compatible with 16 to 22 teeth sprocket

Reads and registers torque values for both left hand and right hand threading Bits Included No Model TW-2

SRAM Model ID: ST-ATMS-7K1-A1

Light range varies from high

This ski is ideal for you if: You are looking to get the most out of your rollerskiing experience with a ski that will go the distance with you

Portland Design Works Io USB Rechargeable Taillight Model=36 SL Performance Suspension Fork Compatible with 16 to 22The PDW USB rechargeable Io taillight has two super bright LEDs for a great value and offers a super quick charge time of only 2. 5 hours. The Io has 3 different modes steady flash and pulse and is perfect for urban riding. 3 modes (runtime) Steady (10h) Flash (20h) Pulse (20h) Seatstay mount included UV proof rubber strap bracket for easy on and off included Includes Micro USB recharging cord Lumens Rear 15 Recharge Type USB Battery Li Ion Weight 54