Rohloff Sprocket remover tool for 135/142/170/177 mm hubs incl. A12 adapter/ bolt
The Rohloff Sprocket remover tool (8508) takes the sprocket off a SPEEDHUB 500/14 in 135, 142, 170 and 177 mm versions, with an A12 adapter and bolt for thru-axle hubs.

Why the Rohloff sprocket remover?
Made for the Speedhub thread. The Speedhub sprocket sits on a six-start thread; the tool fits over the driver to unscrew it safely.
CC, TS and A12. Secured with the quick release (CC) or axle nut (TS); the included adapter and bolt cover A12 thru-axle hubs.
Standard tools. Used with a chain whip and a 24 mm wrench.
Carriers too. Rohloff states it also removes the splined sprocket carrier and the original Carbon Drive carrier.
Who is it for?
- Speedhub owners. Turn or replace a worn sprocket, or change gearing.
- Belt drive riders. Remove the carrier when converting to a lock-ring carrier.
- Workshops. The standard Rohloff tool for 135–177 mm hubs.
Compatibility
| Rohloff article no. | 8508 |
|---|---|
| Hub widths | 135, 142, 170, 177 mm |
| Axle types | CC (quick release), TS (threaded axle), A12 (adapter and bolt included) |
| Also needed | Chain whip, 24 mm wrench |
| Material | Steel |
| Wider hubs | Sprocket remover 148/190/197 mm (8509) |
Frequently asked questions
Which tool do I need for a 190 or 197 mm hub?
The larger Rohloff Sprocket remover (8509).
Is it in the Rohloff Toolkit?
Yes, the Toolkit (8500) and the Service Kit (8700) both include this sprocket remover.
Where are the instructions?
In the service and repair section of the Rohloff SPEEDHUB owner's manual. If you prefer, our Rohloff-trained workshop can do the job.
About Rohloff
Rohloff AG is a German engineering company based in Fuldatal near Kassel. It makes the SPEEDHUB 500/14, the 14-speed gear hub that touring, trekking and expedition riders have trusted for decades, and is also known for its workshop tools, chain and sprocket wear gauges and Oil of Rohloff chain lubricant.
BoodaBike (Massive Bikes, Budapest) is an official Rohloff service centre, trained by Rohloff, and an official European distributor of Rohloff hubs and parts. Everything we sell is genuine Rohloff, and we are happy to help you pick the right part.
