Shimano GRX 600 11 Speed ShifterThis top-quality shifter is specially developed for gravel riding as it offers superior mixed-terrain control on every ride. Featuring off-road inspired lever and bracket ergonomics, the RX600 delivers outstanding operation when riding over rough roads, gravel and muddy conditions. Shimano has fitted this model with an anti-slip lever which helps you maintain perfect grip and actuation in any situation.Fast and Precise Gravel ShifterPart of a revolutionary new series that's designed specifically for taking your road cycling further than ever before, it uses the same light shifting operation as top tier systems. Whether you're riding after work with your friends or planning a new adventure, behind the "click" you hear and feel every time you shift, is its Shimano Index Shifting technology. This technology provides you with light, precise and consistent gear changes, so you can get the best out of every ride.What's most impressive about this sleek shifter is its customisation and adjustability to fit your riding discipline. Equipped with reach adjust technology, you can accurately fine-tune it to suit your hand size, type of riding and individual preferences. Features:  Use: Gravel, Road Oil: Mineral oil  Recommended Caliper: BR-RX810  Reach Adjust: Tooled  Clamp Band Inner Diameter: 23.8 - 24.2mm  Shifter Type: Dual Control Lever  Anti-slip brake lever  Greater mixed-terrain control Same light shifting operation as top tier systemsTechnologies:  Shimano Index System: It's the technology behind that "click" you hear and feel everytime you shift through your gears. That "click" captures the light, precise, and consistent shifting bikes equipped with Shimano deliver. It's the sound of perfect gear changes, of levers directing derailleurs in harmony, and the feeling that resonate into your hand, letting you know that your commands are being answered.    Reach Adjust: Brake lever is equipped with a reach adjust mechanism. The distance from handlebar grip to lever can be adjusted to suit any hand size, type of riding and individual rider preferences. A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.