MIDDLEBURN CHAINRING RS7 SQUARE TAPER DUO SPIDER

THESE SPIDERS ARE FOR USE ON RS7 SQUARE TAPER CRANKS THAT REQUIRE A DUO SET UP. AVAILABLE IN EITHER BLACK OR HARDCOAT IN 32T ONLY

MACHINED FROM AEROSPACE 7075 ALUMINIUM AND THEN ANODISED. THESE SPIDERS REQUIRE THE OUTER CHAINRINGS WHICH ARE AVAILABLE IN SIZES 38T UP TO 42T IN VARIOUS COLOURS.