外球籠的功能配件包括：防塵罩，卡箍，潤滑脂，螺帽。
防塵罩由用橡膠（合成的或者是天然的）或者是硬塑料（通常是同等材料）制成的具有保護作用的蓋子。防塵罩的作用是保護里面的油脂不被灰塵和水污染。拆分、開裂或其他情況損壞的防塵罩應及時更換。
我公司的所有批次防塵罩都經過專業的機器檢測，確保其耐低溫必須達到零下40°，且根據實驗要求的進行多次拉伸實驗確保不會出現開裂現象。
良好的修理包配件，能為等速萬向節球籠延長使用壽命起到輔助的作用。
Boot kit introduction
Outer joint functional Accessories includes, boot, clamps, grease, nut.
Boot is made of protective rubber (synthetic or natural) or hard plastic (usually Hytrel) covers that surround CV joints. The boot's job is to keep grease in and dirt and water out. Split, torn or otherwise damaged boots should be replaced immediately. The quality of rubber boots used in our products are strictly examined by professional testing machines, They can keep elastic under -40 degrees centigrade, and with no sign of cracking after multiple times of pulling experiments. A boot kit with sound quality can serve a significant role in lengthening the life time of a CV Joint.
