Skip to content
Cart

Shimano GRX RD-RX812 Rear Derailleur 11 Speed Long Cage

Item #CRD10205
Condition:
New with Warranty
Regular price
$119.99

Eye icon Pulsating eye icon that grows and shrinks people are looking at this
Shipping

Your gear ships fast with Standard, Two-Day, or Local Pickup.

Canadian Customers

Please note that any duties, taxes, or surcharges as required by Canadian customs and provincial authorities will be the buyer's responsibility. Shipping to Canadian addresses may take longer than expected due to customs.

30-Day Returns

Every product we sell is covered by a hassle-free 30-day satisfaction guarantee. Restrictions may apply.

More details More details icon
Why We Love It
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.
About This Item
  • Silent and uninterrupted rear shifting on rough terrain
  • Adjustable chain stabilizer prevents chain slapping and drops
  • Smooth and reliable mixed surface shifting
  • Switch the stabilizer ON/OFF to match the terrain
  • Gravel-tuned clutch tension
  • Top sprocket: Max. 11T/Min. 11T
  • Low sprocket: Max. 42T/Min. 40T
  • Total capacity: 31T
Specifications
Toggle accordion
Details
Brand Shimano
Model GRX RD-RX812
Group RX812
Speed 11
Type Mechanical
Cage Length Long Cage
Clutched Yes
Intended Use Road
Weight 267 grams
mpn IRDRX812
upc 192790448886
Changing the way cyclists buy bikes.

Who is TPC?

We’re fellow bike nerds. We're cyclists who want to find the right bike, components, and accessories for you. That’s why we created our innovative Certified Pre-Owned bike process and why we’re committed to finding the best products you need for your adventures.

Bikes are meant
to be used.

Need Advice?
Ask a Ride Guide

Our Ride Guide team is based in the U.S. and staffed with former bike mechanics, bike shop managers, and other certified bike nerds. Get expert advice on calibrating fit, deciding between models, or chat through any other questions.