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  • Shimano GRX 810 2x11 Speed Shadow+ Rear Derailleur
102521132
Shimano GRX 810 2x11 Speed Shadow+ Rear Derailleur
Shimano GRX 810 2x11 Speed Shadow+ Rear Derailleur
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Shimano GRX 810 2x11 Speed Shadow+ Rear Derailleur

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£107.99
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Shimano
107.99 GBP
This superb rear mech is designed to offer you silent and uninterrupted rear shifting on rough roads, gravel and mud.
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This superb rear mech is designed to offer you silent and uninterrupted rear shifting on rough roads, gravel and mud.

Top Features of the Shimano GRX 810 2x11 Speed Shadow+ Rear Derailleur

Use: Gravel, Road
Speed: 2x11 speed
Compatible Chain: HG-EV 11 speed; HG-X11
Link Bushings: 4 fluoric coated link bushings
Low Sprocket Max: 34T; Low Sprocket Min: 30T
Max Front Difference: 17T
Pulley Teeth: 13T
Top Sprocket Max: 11T; Top Sprocket Min: 11T
Total Capacity: 40T
Spring Type: Shimano Shadow RD+

Product Data

Speed: 11 Speed
Commuter: Yes
Touring: Yes
Cyclocross: Yes
Road: Yes

Part of the first-ever Shimano groupset that's specifically engineered for gravel riding, this stunning model is ready to take on any adventure. It's fully equipped for the harshest conditions thanks to its toggle clutch and switch stabiliser which can be turned on and off to match the terrain. Topped off with some of the finest technologies around, this is an ideal choice of upgrade for exploring further than ever before.

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.
Shimano Shadow RD+: Less distraction quiet drive train. Rear derailleur stabiliser reduces chain slap. A simple solution for chain drop. Lighter and more efficient than roller type chain device

About the Shimano brand

Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.

Delivery Information

The delivery options available for shipping this product along with the contents of your basket to United Kingdom are:

International Delivery

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Goods are shipped from the UK. Does not include delivery charges, local taxes or import duties, if applicable.
More information on International delivery options

Returns Information

We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.

Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.

Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
More information on Wiggle's return policy

Are these compatible with R8000 shifters ?

CX Bike originally build with Ultegra R8000 group set but keep dropping chain on rough ground. Looking to find a Shimano rear derailleur of compatible quality that will also work with the R8000 shifters. Also are these the most suitable ? (The capacity, max tooth and front difference all look ideal)
Asked by: StevieBil
Yes this would work.
Answered by: WiggleRich
Date published: 2021-01-27

Would this work with GRX 400 shifters?

Would this rear mech work with GRX 10 speed shifters?
Asked by: Colinm1974
This will not be a compatible combination.
Answered by: WiggleAidan
Date published: 2020-02-03

is it compatible with GRX810 11-Speed?

hello, is this different than GRX810 11-Speed? I couldn't work out what 2x11 means. I am looking for SHIMANO GRX Rear Derailleur 11-speed (34T max low sprocket). Thank you
Asked by: denizdeniz
2x11 means you have 2 chainrings on your cranks and 11 speed at the rear.
Answered by: WiggleJay
Date published: 2021-02-23

Shifter compatibility

Will this be compatible with my Shimano ST-RS505 shifters, currently running a 105 RD-5800 derailer? Thanks :)
Asked by: Spandexmonkey
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