ジェミニ・スイングアームのメインピボット用高精度ボールベアリング。ゴム製Sealed クロージャーと両面Seals を備え、低摩擦グリース潤滑、耐食性Chrome Steel ボール、52100SAE スチールケージ、低摩擦ABEC 1精度を採用。

Sealed ball bearings for Gemini swing-arm main pivot (2-pack)
✔️ Set of 2 bearings with rubber seals, double-sided closures, ABEC-1

These bearings are designed for the main pivot of a bicycle's swing-arm suspension, delivering durable, corrosion-resistant performance in muddy or dusty conditions. They are ideal for replacing worn pivots in mountain bike front or rear suspension to restore smooth, reliable rotation.

✅ Sealed rubber closures guard against dirt and moisture
✅ Double-sided seals guard against grit, water intrusion
✅ ABEC-1 precision with low-friction grease for smooth pivot action

💡 What is a sealed bearing set used for in bicycle pivot systems? This handy explanation covers why riders choose this type: - Sealed design helps dirt exclusion and longer life - Chrome steel 52100 balls resist wear and provide long service - ABEC-1 precision supports smooth pivot action