Replacement sleeve for dual pivot brake caliper spring
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dimensions taken from Shimano BR-R560, 2.6 mm OD spring wire
- Ocena
- 0 / 5
- Polubienia
- 4
- Pobrania
- 20
- Wydruki
- 1
- Wyświetlenia
- 150
- Oceny
- 0
Aktualizacja u źródła:
Informacje o modelu
- Źródło
- Printables
- Kategoria
- Outdoor Sports
- Licencja
- Creative Commons — Attribution — Noncommercial
What it is
It's labeled as item 5, described as a sleeve in this document for the Shimano BR-7403 brake caliper:
I got a set of BR-R560 brakes but one of them was missing this piece – they are extremely easy to lose if trying to remove them.
These plastic sleeves/bushings allow the end of the spring to translate with less friction whilst operating the brake.
Future improvements
The Shimano BR-6403 brake calipers had a special variant which featured an asymmetric sleeve intended for users to be able to toggle between low & high spring tension to compensate for high friction in the cable routing. These design files could be theoretically used to fashion similar ones if someone finds that interesting.
Here, the sleeve had the Shimano PN 81U 1700.
Compatibility
may fit other brakes, including other non-Shimano dual pivot calipers.
Printing
You'll almost certainly need a brim, which I removed by chucking the part in a drill & running it against a file to make it look nice.
