Rohloff Chain Tensioner long mounting bolt
The Rohloff Chain Tensioner long mounting bolt (Art. 8255) is 3.5 mm longer than the standard bolt – needed on dropouts thinner than 7 mm with the 13-tooth sprocket or any splined sprocket.
Why the long bolt?
+3.5 mm. 3.5 mm longer than the standard mounting bolt 8253.
Splined sprockets. Rohloff specifies it for all splined sprockets and the 13-tooth sprocket on thin dropouts.
Thin dropouts. For dropouts thinner than 7 mm.
Genuine part. The correct thread and head for the Rohloff tensioner.
Who is it for?
- Riders converting to splined sprockets. The wider chainline may need the long bolt.
- Frames with thin dropouts. Under 7 mm dropout thickness.
- Workshops. Keep it next to the standard bolt.
Compatibility
| Rohloff part number | 8255 |
|---|---|
| Fits | Rohloff chain tensioner |
| Length | +3.5 mm compared with the standard bolt 8253 |
| Needed when | Dropout thinner than 7 mm with 13T or splined sprocket |
Frequently asked questions
How do I know if I need the long bolt?
Measure your dropout: below 7 mm, with a 13-tooth or any splined sprocket, use 8255.
Can I use it on thicker dropouts?
Use the bolt length that matches your dropout; the standard bolt is 8253.
Is it the frame’s derailleur hanger bolt?
No, it fixes the Rohloff tensioner to the frame’s derailleur hanger.
About Rohloff
Rohloff AG from Fuldatal near Kassel, Germany, builds the SPEEDHUB 500/14: a 14-speed gear hub with evenly spaced gears, a 526% gear range and a sealed oil bath. As robust as the hub is, Rohloff sells small wear and replacement parts individually, so a SPEEDHUB is repaired, not replaced.
BoodaBike (Massive Bikes, Budapest) is an official Rohloff service centre, trained by Rohloff, and an official European distributor of Rohloff hubs and parts. We sell genuine Rohloff parts and we are happy to help you identify the right one for your hub version.