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0 votes

Is it okay for my rear derailleur to be as "compressed" as this when in the lowest gear on the bike?

Is the chain on the smallest chainring, at the front? I doubt that you would use that while cycling. You have 7 sprockets; 2 chainrings? -- use smallest chainring with 4 largest sprockets, and ...
  • 11
3 votes

Using Burley Coho XC on road bike with Magic Speed Release axle

Helicoil solution works! First drilled out the rear derailleur hanger: Then tapped: Then re-assembled with helicoil and lithium grease, with appropriate number of washers to correctly centre the ...
1 vote

Is it okay for my rear derailleur to be as "compressed" as this when in the lowest gear on the bike?

Bike is shifting smoothly? Derailleur almost touches the cassette, but no actual rubbing? You're fine.
12 votes

Is it okay for my rear derailleur to be as "compressed" as this when in the lowest gear on the bike?

There's no issue with it looking like that while in small-small. It's very normal. The derailleur's total capacity number defines what large/large combination is supported while still allowing the ...
9 votes

Is it okay for my rear derailleur to be as "compressed" as this when in the lowest gear on the bike?

Maybe your chain is too long. It’s always hard to tell from photos. If there is still tension on the chain in the smallest sprocket + smallest chainring combination it’s probably fine. You’d need a ...
  • 24.3k
2 votes
Accepted

Using Burley Coho XC on road bike with Magic Speed Release axle

The Helicoil option is a good one and should work fine. For that application you should use high strength threadlocker on the outside of the insert. That means getting the new master threads fully ...
1 vote

Derailleur-shifters compatibility Shimano GRX

The reason the rx 812 is listed as 1x only is because it's maximum range is taken up by the cassette and adding to that range will decrease chain wrap to smaller cogs potentially to a point where they ...
-4 votes

Can I use a vintage derailleur adapter claw on a modern derailleur

Depending on your access to bike shops or collectors, if your running the same gear cluster, staying stock is relatively inexpensive...matching the cage (that holds the 2 pully wheels) is your primary ...
9 votes

Can I use a vintage derailleur adapter claw on a modern derailleur

These traditional claw hangers can be purchased new for a few dollars from any good LBS. No need to wreck your vintage derailleur. Your second photo suggests it is pressed together, not threaded. I ...
  • 110k
7 votes

Can I use a vintage derailleur adapter claw on a modern derailleur

Can I remove this claw from the old derailleur or is the spring inside riveted and not threaded? The spring is not riveted. The pin holding the derailleur to the derailleur hanger is riveted (EDITED: ...
  • 19k
2 votes

Pulley wheel and washers - Rear derailleur

In other Shimano groups, those washers are dust covers. They reduce the amount of dirt intruding into the bushing - that's the thing that the pulley wheel turns on. Bushings are cheaper alternatives ...
  • 24k
10 votes

The pulley is not close enough to the largest sprocket even when b-screw is all the way out

Something seems unconventional with the angle of the connecting link from the rear derailleur to the frame attachment point. It appears to be pointing up from the frame going back to the rear ...
  • 4,847

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