The PRO Y-Wrench Hex is a 3-function y-wrench available with either smaller or larger hex key bits.

Designed to provide you with a better sports’ bicycle experience the PRO Y-Wrench Hex provides two hex key size options for precision adjustments. The smaller of the two Y-Wrench Hex devices provides 2-, 2.5- and 3-millimetre hex keys (PR 100352), while the larger provides 4-, 5- and 6-millimetre hex keys (PR 100349).