MIDDLEBURN RO1 SQ 104/64BCD SQUARE TAPER TYPE TRIPLE ROAD SPIDER

This Middleburn spider is compatible with the Middleburn RO1 Square Taper cranks which require a triple chainring set up.

Middleburn 4 arm 104 BCD is for the outer and middle chainrings with 64 BCD for the inner chainring.

All Middleburn spiders are machined from 7075 T6 aluminium for maximum strength.

The chain line is a standard road of 44mm on the middle chainring.