Designed to match the Shimano GRX RX400 groupset, the GRX RX400 10-Speed STI Shift Levers provide slick shifting and powerful braking in a sleek, stylish package that is perfect for your gravel or adventure bike.Gravel inspired level and hood ergonomics for exceptional performance and comfortAnti-slip brake lever improves control in all conditionsProvides smooth, fast and light-action shifting performanceBrake calipers sold separatelyThe GRX RX400 levers get the look and feel of the higher end 11-speed levers, while sticking with 10-speed internals. As well as the specially designed hood shape to improve grip in wet and muddy conditions, the shifters also feature neat under-tape cable routing, keeping the front end of your bike looking neat and tidy. Like the more expensive GRX groups, the GRX RX400 levers provide a shorter shift stroke that delivers what Shimano calls ''lightest and easiest front shifting Shimano has ever made''. The lever is fully adjustable to accommodate different hand sizes via an easy to use reach adjustment. When teamed with Shimano's GRX Flat Mount Brake Calipers (Sold separately) you'll have some of the slickest shifting and most powerful braking around for your gravel or adventure available.