Name: Shimano GRX RD-RX810 rear Derailleur
Brand: Shimano
SKU: 260239-01
Price: 171.99 CAD
Availability: InStock

Title

Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey

Price

Shipping on complete bicycles billed separately due to rapidly changing shipping rates

Secure payments

Shipping calculated at checkout.

[{"id":53099709268192,"title":"Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","option1":"Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","option2":null,"option3":null,"sku":"260239-01","requires_shipping":true,"taxable":true,"featured_image":{"id":54460217655520,"product_id":9850724122848,"position":1,"created_at":"2026-06-17T11:17:18-04:00","updated_at":"2026-06-17T11:17:20-04:00","alt":"Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","width":900,"height":900,"src":"\/\/joemammacycles.com\/cdn\/shop\/files\/260239-01_1.jpg?v=1781709440","variant_ids":[53099709268192]},"available":true,"name":"Shimano GRX RD-RX810 rear Derailleur - Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","public_title":"Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","options":["Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey"],"price":17199,"weight":363,"compare_at_price":null,"inventory_quantity":27,"inventory_management":"shopify","inventory_policy":"deny","barcode":"192790448879","featured_media":{"alt":"Shimano, GRX RD-RX810, Rear Derailleur, Speed: 11, Cage: GS, Grey","id":43728093315296,"position":1,"preview_image":{"aspect_ratio":1.0,"height":900,"width":900,"src":"\/\/joemammacycles.com\/cdn\/shop\/files\/260239-01_1.jpg?v=1781709440"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

GRX 11 speed rear derailleur for double cranks
Adjustable chain stabilizer prevents chain slapping and drops
Gravel-tuned clutch tension can be toggled ON/OFF to match the terrain
Maximum front difference: 17T
Total capacity: 40T
Low sprocket: Max. 34T/Min. 30T
Top sprocket: 11T

Attributes

Max Front Difference	17T
Maximum Cog	34T
Minimum Cog	11T
Primary Color	Grey
Cage	GS
RD Capacity	40T
RD Spring Type	Shadow Plus
RD Weight	255g
Speed	11
Mount	Standard

Every Day Free Shipping: Joe Mamma offers free shipping on all Canadian orders over $200 excluding complete bicycles and trainers. Customers are also welcome to pick up their orders in store at no charge, you can opt to do so at checkout (please await your order completion notice before coming to pick up your order).

Shipping Policy: Orders will be shipped as soon as possible, customers will be notified if any delay should occur. If one part of your order is unavailable at time of order, your order may be fulfilled with multiple packages. Shipping charges are non-refundable. International clients please note that customs or brokerage fees are the sole responsibility of the purchaser.

Joe Mamma Cycles ships to both Canada & the USA! We use Canada Post, UPS & Fedex to get you the best price & use recycled packaging to reduce our environmental impact.

**For in-store pick-up, please indicate which location is most convienent for you. Product will be transferred for your convenience.