Shimano 105 RD-R7100: Modern 12-speed performance for road bike enthusiasts
Experience a new level of shifting precision with the Shimano 105 RD-R7100! This lightweight 12-speed rear derailleur delivers reliable performance, a crisp shifting feel, and a clean, stylish design. It's the perfect choice for sporty rides on any terrain if you want mechanical reliability without the worry of battery life.
Maximum shifting performance for ambitious roadies
With the 105 RD-R7100, you'll impress on every ride with precise gear changes and a robust Shadow construction. Specifically designed for 12-speed systems, this rear derailleur offers a wide gear range for efficiency, whether on long climbs or fast descents. The Shadow mechanism effectively protects against damage and ensures quiet, reliable shifting even under full load.
Lightweight, durable & sporty – just the way you want it
Thanks to its solid, lightweight aluminum construction and high-quality steel bearings, the weight remains low and performance consistently high. The superior workmanship makes it a perfect match, both visually and technically, for modern road bikes. Whether it's a training ride or race day, this derailleur will always put you at the front of the pack.
specification
| feature | Description |
|---|
| fastening | Standard, direct mount compatible |
| design | Shadow RD, flat design, robust against damage |
| Total capacity | 41 teeth |
| Weight | approx. 249-250 g |
| Cage length | Medium (only one variant) |
| Chain compatibility | HG 12-speed (e.g. Shimano CN-M7100) |
| material | Aluminum, steel, fiber composite |
| Max. teeth large sprocket | 36 teeth |
| Max. teeth small sprocket | 11 teeth |
| Minimum teeth, large sprocket | 34 teeth |
| Model | RD-R7100 |
| Switching stages | 12-speed mechanical |
| series | Shimano 105 R7100 |
Scope of delivery
- Shimano 105 RD-R7100 12-speed rear derailleur (bulk packaging, without retail packaging)
- Mounting screw pre-assembled
- User manual
Accessory recommendations
| Accesories | Why you need it |
|---|
| Shimano CN-M7100 12-speed chain | Optimal shifting function and compatibility with the 12-speed system |
| Shimano 105 CS-R7100 12-speed cassette | Only with the right 12-speed cassette can you unlock the full potential of the new gear range. |
| Chain gauge/Park Tool CC-4 | Regular chain checks protect the drivetrain and ensure consistently precise shifting. |
| Shimano OPTISLICK shift cable set | For super-smooth, precise shifting and long-lasting cable care |
| Derailleur cable protector (frame protector) | Prevents paint damage to dropouts or frame caused by shift cables or derailleurs. |
Here's what we think about it
Even the first drive shows: The crisp gear changes and low weight set new standards.
“Finally, a 12-speed derailleur from Shimano that works absolutely reliably even in tough training!”
The mechanism impresses with its ease of maintenance and always runs smoothly – entirely without electronic components.
“The new Shadow design not only protects on rough sections, but also looks really good on the bike!”
Many users report enthusiastically about the smooth chain guidance and the noticeable performance upgrade to the drive.
