NEW Stan's No Tubes E-Sync Freehub - Shimano HG11 - ZH2579

• Replacement freehub bodies include pawls and springs pre-installed
• E-Sync hubs: fast 8.18 deg engagement with reinforced high-torque pawls
• HG 11sp road FH body requires a 1.8mm spacer (included) for use with a Shimano/SRAM 8-11sp HG mountain cassettes