Shimano G bicycle rear derailleurRX RD-RX812 11 speed

Shimano RDRX812 Shift Derailleur for 11 Speed ​​Bicycle

New rear transmission gear change box adaptable for city bike, hybrid bike, mountain bike (all-terrain bike), road bike, gravel bike...
The rear derailleur is attached to the bicycle frame. It moves sideways to guide the chain over the rear wheel cassette to change cogs. This spring mechanism also maintains a constant chain tension so as not to derail.

Technical characteristics and dimensions of the 11V cassette derailleur

• Brand: Shimano
• Model: GRX RD RX812
• Materials: steel and plastic
• Colour: black
• Gear shift control: by cable (mechanical)
• Maximum number of teeth of the largest cassette cog: 42 (42)
• Mass: 267 grams
• Fixing thread diameter (direct, conventional fixing): 10 mm (delivered without frame bracket)
• For rides on smooth terrain, the derailleur features an On/Off switch for the chain tensioner
• Derailleur compatible with road and off-road 1X11 speed drivetrains (1 chainring, 11 speed)

Shimano is a Japanese brand founded in 1921, specializing in the manufacture of cycle parts and components. It is also a world leader in bicycle equipment (derailleurs, pedals, wheels, cassettes, etc.). Shimano is a world-renowned brand, it equips a large part of the professional peloton and sponsors many cycling teams. To learn all about the brand and discover our range of Shimano products, click on this link.