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RoboKaren
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This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the bolts holding either the shim or the brakes are too long and are bottoming out so they can't lock down properly

  • the shim was poorly made and has a defect that is causing it to move

  • your bike store is either incompetent or trying to upsetupsell you something

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the bolts holding either the shim or the brakes are too long and are bottoming out so they can't lock down properly

  • the shim was poorly made and has a defect that is causing it to move

  • your bike store is either incompetent or trying to upset you something

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the bolts holding either the shim or the brakes are too long and are bottoming out so they can't lock down properly

  • the shim was poorly made and has a defect that is causing it to move

  • your bike store is either incompetent or trying to upsell you something

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

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RoboKaren
  • 29.5k
  • 18
  • 93
  • 174

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the bolts holding either the shim or the brakes are too long and are bottoming out so they can't lock down properly

  • the shim was poorly made and has a defect that is causing it to move

  • your bike store is either incompetent or trying to upset you something

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the shim was poorly made and has a defect that is causing it to move

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the bolts holding either the shim or the brakes are too long and are bottoming out so they can't lock down properly

  • the shim was poorly made and has a defect that is causing it to move

  • your bike store is either incompetent or trying to upset you something

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?

Source Link
RoboKaren
  • 29.5k
  • 18
  • 93
  • 174

This doesn't answer your question, but your problem before the question.

If your brake body is moving about, the problem isn't the existence of the shim (which is used by all brakes when they upsize) but either:

  • the bolts holding the shim/adapter to the bicycle or the brake to the adapter were not properly torqued and loctited.

  • the shim was poorly made and has a defect that is causing it to move

Note that brakes are supposed to move when the bolts are slightly loose so that you can properly center the pads against the rotors. Then you clamp them down to the proper torque tolerances.

Since most people want to go up in rotor size to have more effective braking, you'd be bucking the trend in going down. Are you 100% confident in the mechanical skills of your LBS?