BB-UN300 Vierkant Innenlager - BSA
12,90 € *
21,95 €
inkl. MwSt. zzgl. Versandkosten
Shimano BB-UN300 Vierkant Innenlager - BSA
Beschreibung
Das BB-UN300 von Shimano ist der offizielle Nachfolger des Shimano BB-UN55 Innenlager und kommt nun mit der zweiten Innenlagerkappe aus Stahl, statt aus Kunststoff und bietet höherwertige Lager.
Verbaut sind ABEC 3 statt der vorher verbauten ABEC 1 Lager.
- Gehäusebreite: 68 mm
- Achsbreiten: 107 mm, 110 mm, 113 mm, 115 mm, 117 mm, 118 mm, 122,5 mm, 127 mm
- Materialen: Stahl (Achse)
- Achsaufnahme: Vierkant
- Nachfolger des Shimano BB-UN55 Innenlagers
- unterschiedliche Achsbreiten für Kurbeln und Kettenlinien
Eigenschaften
| Eigenschaft | Wert |
|---|---|
| Gehäusestandard | BSA 68 mm |
| Achslänge | 107 mm, 110 mm, 113 mm, 115 mm, 117 mm, 118 mm, 122 mm, 122,5 mm, 127 mm |
| Farbe | silber |
BB-UN300 Vierkant Innenlager - BSA
12,90 € *
21,95 €
inkl. MwSt. zzgl. Versandkosten
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"Correct but..."
Quality is correct, shaft bearings and seals seems to be good stuff.
But the outer ring of left bearing was not perfectly centered with the centre steel spacer on mine, so when tightening the left cup, the spacer scratched the cup and made aluminium shavings. I had to remove everything, clean and assemble again...
Plus be aware that:
- the threads of the cups are very long, you'll need probably to re-thread your frame further or file some threads on the cups;
- the shoulder on the right cup is smaller than usual: only 36 mm diameter, not compatible with all frames or chainguard brackets (Shimano BB-UN55 is Ø39-40 mm as a matter of comparison).
But the outer ring of left bearing was not perfectly centered with the centre steel spacer on mine, so when tightening the left cup, the spacer scratched the cup and made aluminium shavings. I had to remove everything, clean and assemble again...
Plus be aware that:
- the threads of the cups are very long, you'll need probably to re-thread your frame further or file some threads on the cups;
- the shoulder on the right cup is smaller than usual: only 36 mm diameter, not compatible with all frames or chainguard brackets (Shimano BB-UN55 is Ø39-40 mm as a matter of comparison).