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Rear derailluer bolt missing how and where do i reattach it?

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These guys have replacement bolts for many derailleurs. Only a few are posted though.
Precision Billet Precision Billet Derailleurs CNC Bike Components Proshift

Posted on Jan 06, 2015

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Depends on which bolt is missing and what derailleur your referencing.

If you no longer have the bolt then I would suggest taking the bike or derailleur into a bike shop and have them provide the proper bolt to complete your derailleur. They can also advise for your specific derailleur how to reattach. Not all derailleurs work the same.

Posted on Apr 07, 2011


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I have a Peugeot bike vintage 1985. I want to replace the rear derailluer with a new style. What model shimano rear derailleur should I buy and do I also have to buy shimano shifters

If you have friction shifting you can replace with any derailleur that will handle the freewheel/cassette range. If you have indexed shifting it depends on what is on the rear now.

I’m happy to help further over the phone at

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If this is a GE top load washer, I have see it a few time's. You can go to your local hardware store and get 2 new 4 inch bolts and nut set. and reattach the counter weight. The old bolts were just screwed to the frame. With today's appliance's they use 1/32 to 1.16 sheet metal... it don't take much to strip that out.

Next time post brand and model number...make's it easier.

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How to install a derailluer?

If it's Shimano go to their site and get the manual for it.

Or web search for "how to install a derailluer". duh

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I am using a new shimano 6603 SL braze on derailluer with a fairly new, but in good shape shimano 6603-G crankset, but an older 6510 triple shifter, all with a 9 speed chain. Shifting onto the middle and...

It is hard to tell via the Internet. I suggest that you take it to a bike shop. They will get it shifting smooth, and, if not tell you what is wrong.

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I am trying to fix a Huffy Blackwater bicycle (15 speed). The rear derailleur is missing. Can I use a 6 speed derailleur from a Next bike? Can I disable the indexing of the Huffy (Falcon) shifter? Thanks

You can use the 6 speed rear derailleur with no problems. The 5-spd shifter does not need to be disabled, as it will work just fine.

The shifter controls the rear derailleur, telling it how far to move. The rear derailluer just follows what is dictated, so there is no real difference mechanically between the 5spd and 6spd derailleurs, only in the shifter.

If you wanted to make the bike 6spd, you would have to change the shifter and gears along with the derailleur.

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Any derailluer can be used for the front and the rear should match how many gears it will choose.

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Instructions for changing the walking belt on my Cadence DX15 treadmill

1. Unplug the treadmill and remove the motor hood.

2. Use a permanent marker like a Sharpie and mark the roller positions on the bolt on the front roller and bolts on the rear roller- not all front rollers have this adjustment bolt.

3. Loosen the walking belt at the rear of the treadmill.

4. Remove the front roller adjustment bolt.

5. Some higher end treadmills use straddle covers that have an undermount or slide mount. If you don't see staples or bolts on the top of the cover, do not pry them up. If you do have one stapled or screwed down, use a flat head screwdriver or similar instrument, pop the plastic deck cover on the right hand side up (if you are standing on the treadmill like you are using it, the deck cover on the right side). If you see screws, simply unscrew and remove the screws. Screws are included to reattach the cover near the end of installation.

6. Remove the deck boltsmost have 3 or 4 bolts.

7. Once the deck is loose on the right side, completely remove the screws from the rear roller. Be careful with the plastic endcaps. The endcaps and the roller need to be removed in this step.

8. One person should hold the deck up and hold the front roller in position near the pulley while a second person removes the old walking belt (some models that do not fold and a very few number that do have a side handrail on the right side that attaches at the base of the treadmill…if yours does, remove this handrail before removing the belt). If you are talented, you can do this with a single person.

9. With one person holding the deck up and holding the front roller in position near the pulley, the second person should reinstall the new walking belt. Once the belt is in place, raise the deck up again and look underneath to make sure the belt is in the center of the belt guides that stick down from the deck underside. When tensioned, the belt guides should make the outside edges of the walking belt turn toward the center of the belt.

10. Replace the rear endcaps and rear roller and start the rear roller bolts. DO NOT TIGHTEN THE REAR ROLLER BOLTS IN THIS STEP.

11. Refasten the deck bolts. Go ahead and tighten the deck bolts fully in this step.

12. Refasten the front roller bolt and return it to the marked position (it was marked in step 2).

13. Replace if you have undermount straddle covers or fasten the plastic side deck cover with the enclosed screws if yours were screwed or stapled down. Removing the staples in the deck with a pair of pliers before reattaching the deck cover is not required but will make it easier to reattach.

14. Retighten the walking belt to the marked positions on the rear roller bolts.

15. Check the walking belt for proper tension by lifting it 2” to 3” in the center of the belt.

16. Test the treadmill for slippage and make adjustments (if needed) for lateral centering or tracking.

17. Once the belt tests good, replace the motor hood.

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Chain ring will not shift from high to low

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