Shimano GRX RD-RX812 Rear Derailleur - Bicicletta
Shimano
GRX RD-RX812 Rear Derailleur
$160.00 CAD
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Shipping calculated at checkout.
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We have built our business on providing our customers with premium and exclusive cycling products that will set them apart from the rest of the field.

A large part of this business involves us special ordering components for our customers. If you are looking for something that you don't see on the website, please contact us as we are always excited to help you find what you are looking for.

In the meantime, we have marked a number of products on our website as 'Special Order'. These are products that we don't currently have in stock but are confident that we can get within the time frame indicated on the special order button. If you order one of these products and we are unable to get it, we will reach out to you immediately. If you are looking for reassurances on time frames before you order, please don't hesitate to reach out to us.

Shipping Rates

Canada USA International

Most items

$5

$25

$35

Oversized**

$40

$75

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Bicycles*

$95

$125

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Trainer Bikes and Sale Bicycles*

$200

$250

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*Multiple items in each category incur a charge per item.
**Oversized products include wheels, trainers, work stands, car racks and various other items.

Please note: Trainer Bikes are shipped and delivered on a pallet.

Full shipping & return details here.

With an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain.

For rides on smooth surfaces, the derailleur features and ON/OFF switch for the chain tensioner. The RD-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.

Specifications
Average weight
267 g
B-Axle_Hollow axle _
Cable adjuster _
Compatible chain HG-EV 11-speed/HG-X11
Direct attachment (Conventional) _
Fluoric coated link bushings 4
Low sprocket_Max. 42T
Low sprocket_Min. 40T
Pulley_G pulley bearing _
Pulley_Sunken type pulley bolt _
Pulley_Teeth 11T
Pulley_T pulley bearing _
Rear speeds 11
Top-Normal Spring Type SHIMANO SHADOW RD+
Top sprocket_Max. 11T
Top sprocket_Min. 11T
Total capacity 31T

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