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Rohloff Long mounting bolt and Distancing washers

2 500 HUF
3 350 HUF
Long mounting bolt with distancing washers for the Rohloff chain tensioner.
SKU: 8257
In stock
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14-day refund
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Three years warranty

The Rohloff Long Mounting Bolt with Distancing Washers (8257 = 8255 + 8256) fixes the Rohloff chain tensioner to the frame when the standard bolt is too short – for example with thin dropouts or splined sprockets.

Rohloff long mounting bolt with four distancing washers
Rohloff 8257 long mounting bolt and distancing washers.

Why the long mounting bolt?

  • 3.5 mm longer. Rohloff specifies the longer bolt (+3.5 mm) for dropouts thinner than 7 mm when using the 13-tooth threaded sprocket or any splined sprocket (58 mm chain line).
  • Set the chain line. The distancing washers move the tensioner sideways so its pulleys line up with the chain.
  • Secure fixing. The tensioner mounts on the derailleur hanger; the bolt is tightened to 8 Nm.
  • Genuine replacement. Also the right part if the original bolt or washers are lost.
Rohloff long mounting bolt and washers from the side

When you need it

If your SPEEDHUB runs a splined sprocket or the 13-tooth threaded sprocket and the frame dropout is under 7 mm thick, Rohloff specifies this longer bolt instead of the standard one.

Who is it for?

  • Riders with a Rohloff chain tensioner. On full-suspension bikes or frames without adjustable dropouts.
  • Riders changing sprocket type. Switching to splined sprockets can change the bolt length needed.

Compatibility

FitsRohloff chain tensioner (mounted on the derailleur hanger)
ContentsLong mounting bolt (8255) and distancing washers (8256)
Needed whenDropout under 7 mm with 13T threaded sprocket or any splined sprocket (58 mm chain line)
Tool / torque5 mm Allen key, 8 Nm

Frequently asked questions

Does the Rohloff chain tensioner work with any chain?

Rohloff states that its chain tensioners are only suitable for 1/2" x 3/32" and 1/2" x 11/128" chains.

Which tensioner do I need for a wide hub?

For 190/197 mm hubs Rohloff specifies the chain tensioner -10 (8250-10). Ask us if you are unsure.

About Rohloff

Rohloff AG designs and builds the SPEEDHUB 500/14 in Fuldatal, Germany: a 14-speed gear hub with a 526% gear range that has proven itself for more than 20 years on touring, tandem, cargo and e-bikes.

BoodaBike (Massive Bikes, Budapest) is an official Rohloff service centre, trained by Rohloff, and an official European distributor of Rohloff hubs and genuine spare parts. Not sure which part fits your hub? Send us the serial number and a photo of your hub and we will check it for you.