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| ALUM.WRAPPINGS ON RIBS + ALUM.RING UNDER RUNNER |
ALUM.CLIPS ON RIB ENDS +LEATHER PATCHES |
STEEL CRANK SYSTEM |
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| PRESS-TYPE TILT |
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| ROTATING TILT + ALUM.WRAPPINGS ON RIBS + ALUM.RING UNDER RUNNER |
ALUM.SOCKETS ON RIB ENDS + LEATHER PATCHES |