On order at our supplier.After checkout, we will email you the estimated arrival date. If you would like to confirm the date before placing your order, simply message us in the chat. Either way, you will have all the information you need to make the decision that works best for you.
- With an integrated chain stabilizer mechanism, the GRX rear derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an on/off switch for the chain tensioner. The RD-RX820 rear derailleur is compatible with MTB cassettes with a 42T low sprocket max.
- GRX 12 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: 42T
- Low sprocket: Max. 34T/Min. 30T
- Top sprocket: 11T
Attributes
| Cage | GS |
| Max Front Difference | 17T |
| Maximum Cog | 34T |
| Minimum Cog | 11T |
| Primary Color | Grey |
| RD Capacity | 42T |
| RD Spring Type | Shadow Plus |
| Speed | 12 |
No Sweat Return Policy
Got the wrong items or it’s just not what you expected? No sweat! You can send it back within 10 days of delivery.
To be eligible for restocking, the product must also meet the following conditions:
- The product must be in its original packaging without any price or promotional stickers.
- The outer box must be in perfect reselling condition without any writings.
- The product must be intact and in the same condition as when originally purchased, with no installation or use.
- The product must not have been purchased at a clearance price.
Swaps
Need to swap out your item? Here’s how:
Speedy Exchange
Want your new item right away? Place a new order, and we’ll ship it before receiving the return. Your card will be charged for the new order, and we’ll refund the old one as soon as we get it back.
Standard Exchange
Send back the item you don’t want, and we’ll ship your new order once we receive the return. We’ll only charge (or refund) the difference in price.
Sale Items
Items on sale with a 20% discount or more are final sale and can’t be returned or exchanged. Consider selling these items locally, like on Kijiji.
Complete details here : https://www.b1keparts.com/policies/refund-policyFrom Quebec, to your doorstep, expect a smooth ride with no surprise fees like duties or brokerage. We ship within 1 to 4 days. More than 80% of orders arrive in 2 days or less. Need it faster? Let us know, and we’ll pedal extra hard for express service.
For purchases of $149 and over with items weighing less than 25 lbs, shipping is free. For oversized items or items weighing between 25 and 100 lbs, an additional shipping fee will apply based on the specific case.
