To reduce the friction between the housing and cable and improve the lubricating efficiency, we inject silicone oil, which forms a protective layer that extends the service lives of inner liner and cable, into the housing inner liner. The silicone oil is a high-low temperature-resist, water-resist, dust-resist, and embrittlement-resistlubricant. Suitable for derailleur system OD: 4.5 mm. Kevlar could heat-resistant. High chemical Lesistance. Low elongation at bleak. Bears the impact. 50 meters.
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