| 摘要 |
The invention concerns a slidably linked disc brake caliper, borne by at least a pin guide secured by the fixed part and a flexible sealing sleeve protecting the pin guide. Said sleeve has a rim (11, 12) housed, one in a groove (13) provided at the base (10) of the pin (5) and the other in a groove (12) provided around the bore (6) of the caliper (2). An open (20) lock ring (20) is arranged at least in one of the grooves (13, 14) to press the rim (11, 12) over the entire periphery of the lock ring leaving the rim free (20) between the ends (18, 19) of the lock ring (17) to form a valve (21).
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