GRX Shift/Brake Lever ST-RX400 10-Speed

The SHIMANO GRX DUAL CONTROL LEVER offers smooth and sensitive shifting ideal for mixed - terrain cycling. Its ergonomic shifter design enhances comfort during long rides, and the textured, non - slip brake lever gives you better control on rough ground.

Using this SHIMANO GRX shift/brake lever is easy. To shift gears, simply use your finger to operate the shifter as you normally would. When braking, gently squeeze the brake lever to slow down or stop. Remember, on bumpy terrain, keep a firm grip on the non - slip brake lever for better control. As for maintenance, regularly clean the lever with a soft cloth to remove dirt and debris. Check the connection parts periodically to make sure they are tight and in good condition. If you notice any issues, it's best to have it checked by a professional bike mechanic.