Same-day handling on business hours
on business hours
YES we price match. Shoot us a message in the chat with the link of the proof, and we’ll check it out right away. If it’s legit, you’ll get a custom promo code on the spot—sometimes we’ll even throw in a little extra.
- SHIMANO's GRX Di2 12-speed rear derailleur features a built-in wireless connectivity unit and charging port, ensuring fast and reliable shifting for mixed-terrain riding and easy recharging. Integrated SHADOW RD+ technology prevents chain slap and ensures precise shifting even on rough terrain. Thanks to built-in ON/OFF switch, wheel removal is easy too. The RD-RX825 is compatible with 11-34T and 11-36T 12-speed cassettes and supports Full or Semi-Synchronized shift modes, enhancing rider customization.
- Compact design with integrated wireless unit, charging port, and switch
- Fast and reliable shifting on rough terrain
- Adjustable chain stabilizer prevents chain slap
- Gravel-tuned clutch tension
- Switch stabilizer ON/OFF to match terrain: ON for gravel, OFF for smooth roads
- LED status indicator
- Battery indicator, pairing, adjust mode, etc.
Attributes
| Cage | GS |
| Max Front Difference | 17T |
| Maximum Cog | 36T |
| Minimum Cog | 11T |
| Primary Color | Black |
| RD Capacity | 40T |
| 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.
