This superb model features a friendly design for full-suspension and big wheels and allows for improved driving and shifting performance. Additionally, its stable design means you'll benefit from improved chain retention and more reliable shifting of the front system. Finally, it's the perfect choice of a replacement or upgrade for taking your off-road riding up a notch. Action: Side-swing Cable Route Type: Front Pull Chainline: 50mm Chainstay Angle: 66-69 Degrees Top Teeth Gear: 40T Total Capacity: 18T High Mount: Direct (136g) Low Mount: E-type without BB Plate (121g)
Whether you're riding after work with your friends or taking on an exciting new adventure, the Shimano GRX 812 rear derailleur has you covered. You'll be able to dominate on every ride thanks to its incredibly versatile chain stabiliser which prevents chain slapping and drops as you shift. Shimano has also installed a switch stabiliser to this model, allowing you the freedom to turn it on/off based on the terrain conditions. When riding over mixed terrain surfaces with gravel and mud, the RX812 derailleur remains silent and uninterrupted thanks to some of the finest industry-leading technologies. Its Shimano Index System gives you frictionless shifting and smooth action to get you through the harshest roads efficiently. If you're interested in exploring further than ever before, the Shimano GRX 812 rear derailleur - 11 speed is an ideal choice of upgrade for an instant and reliable shifting experience.
Highly versatile, this stunning model's chain stabiliser prevents chain slapping and drops as you conquer every road. You'll notice its silent and uninterrupted rear shifting on especially harsh terrains, where other rear mechs could struggle. What's also very impressive is its switch stabiliser which provides you with the freedom to turn it on/off to match the terrain conditions. Featuring the revolutionary Di2 shifting system, this rear mech delivers instant, accurate, lightning-fast shifts on every run. At the push of a button, you can maintain precise control even in the most extreme conditions with its electronic brain keeping you in charge. Additionally, you can change gear even under heavy load while climbing or accelerating making it perfect for tough rides. Smooth and reliable on mixed surfaces, its gravel-tuned clutch tension is ready to conquer all the challenges of a long ride out. Whether you're riding after work with your buddies or exploring new and unpredictable surroundings, this 2x11 speed version won't let you down.
Ready to take on any challenge, the RX817 features an adjustable chain stabiliser which prevents chain slapping and drops. Shimano has also included a switch stabiliser which can be set to on/off to match the terrain conditions, which allows you more freedom to explore the unknown. Whether you're planning a new adventure or joining friends after work for a ride out, this superb model's gravel-tuned clutch makes gear changing a breeze in any situation. Inspired by off-road groupsets, you'll enjoy its silent and uninterrupted rear shifting on harsher terrain conditions, where most common systems would fail. Smooth and reliable, this rear derailleur features some of the finest technologies to keep you riding at the top of your game. Its revolutionary Di2 shifting system solves many of the challenges that mechanical systems face with the use of state-of-the-art electronics. This technology gives you instant, accurate and lightning-fast shifts every time you ride, at the push of a button. You'll also be able to change gear when under heavy load while climbing and accelerating for a top-level shifting experience.
Featuring an adjustable chain stabiliser, the stunning Shimano GRX 400 rear derailleur prevents chain slapping and drops when riding over harsh surfaces. Whether you're riding after work with your buddies or taking your road exploration further, its switch stabiliser lets you turn it on/off based on the terrain. Smooth and reliable for mixed surface shifting, the RX400's gravel-tuned clutch tension helps you get the best experience out of every ride. Shimano has also developed its design specially for gravel bikes by ensuring a wider range that's suitable for use with larger sized tyres. Taking your riding a step further, you'll also benefit from the industry-leading technologies that the Shimano GRX 400 rear derailleur - 10 Speed model has, as these will keep you in control. Behind the "click" you hear and feel every time you shift, its Shimano Index Shifting System technology provides you with light, precise and consistent gear changes.
Featuring a chainline that's 2.5mm wider than conventional road front mechs, this stunning model delivers wider tyre clearance. You'll benefit from smooth and precise shifts with its 17T front range giving you a wider front gearing experience. Part of Shimano's exclusive series that's developed for riding over rough roads, gravel and mud, this tough component is reliable and high efficient. Equipped with Shimano's revolutionary Di2 shifting system, this derailleur solves the challenges most mechanical drivetrains are faced with by giving you instant, accurate and lightning-fast shifts. At the push of a button, you'll benefit from precise gear changes even when it's under a heavy load while climbing or accelerating. Whether you're exploring or riding after work with friends, this is the ultimate choice of upgrade for riders who want to remain in complete control.
This high-quality model is perfect for longer travel bikes thanks to its extra-wide range, increased traction and no chain rub. Its wider rim compatibility and wider tyre clearance means you can enjoy a smoother gearing experience with 2.3" tyres. This 12 speed component is a perfect upgrade for off-road thrill-seekers who want to maintain their focus and fun on rough, uneven terrain conditions. Technologies: Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.
This high-quality model is perfect for longer travel bikes thanks to its extra-wide range, increased traction and no chain rub. Its wider rim compatibility and wider tyre clearance means you can enjoy a smoother gearing experience with 2.3" tyres. This 12 speed component is a perfect upgrade for off-road thrill-seekers who want to maintain their focus and fun on rough, uneven terrain conditions. Technologies: Side Swing: Horizontal movement follows the chain direction for smooth & efficient front shifting effort.
Enjoy ultra-smooth shifting with this 11 speed model which flawlessly moves your chain up and down when riding over mixed terrain conditions. Its chainline is 2.5mm wider in comparison to conventional road front mech's, which gives you wider tyre clearance. Furthermore, its wider range front gearing makes it perfect for riders who enjoy riding on paved roads and longer adventures. This is a perfect choice of upgrade if you want increased rigidity and improved shifting responsiveness your next adventure. Technologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time 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 resonates into your hand, letting you know that your commands are being answered.
This superb model features a 2.5mm wider chainline in comparison to traditional road front mechs for wider tyre clearance. Its wider front gearing makes it ideal for riders who regularly enjoy riding on paved roads and longer adventures across the gravel and mud. Technologies: Shimano Index System: Every Shimano equipped multi-gear bicycle includes Shimano S.I.S - Shimano Indexed Shifting. It's the technology behind that "click" you hear and feel every time 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 resonates into your hand, letting you know that your commands are being answered.
This front mech features a tough alloy construction, which makes it more than capable of handling all the abuse that comes with navigating across the city on a regular basis. Shimano has also kitted out this model with a long lever arm and a refined finish, which means that you'll enjoy its seamless shifting operation as well as its sleek appearance.
This superb 11 speed model is specifically designed for use with double crank sets and features the first-ever Side-swing front derailleur design which increases shift performance by 100 per cent. Additionally, it has been designed with modern trail bikes in mind and provides 15mm of increased tyre clearance while its new cable routing immensely reduces your shifting effort. This is the ultimate choice of a replacement or upgrade for undeniable performance gains. Technologies: Side Swing: Horizontal movement follows the chain direction. Smooth & efficient front shifting effort. Dyna-sys11: The real advantage of 11-speed is the ability to have all the range you require without sacrificing the rhythm you need. Dyna-sys11 maximises rhythm with “rhythm step” gears in the most frequently used range. Less front shifting thanks to optimum front gear teeth, rider controls cadence and energy use by rear close ratio. Smooth shifting performance thanks to front close gear ratio, rider controls cadence and energy use by rear close ratio.