MRU series features RK?s only technology of Ultra Thin Seal, U-Rings, where the thickness of seal is less than 50% of the common seal, make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.4...
The optional noise dumper fits on S-Y10SO13-HHX2C - Slip-On Line (Carbon), S-D12SO7-HHX2T - Slip-On Line (Titanium) and S-Y10SO14-HHX2T - Slip-On Line (Titanium)."
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