The upgrade kit for Syntace MX hub. This kit consists of a 0.3 mm steel back panel and four spare springs for the star ratchet freewheel. The springs are identical with the existing and can be used as replacement parts for damaged springs. The support disc is inserted into the freewheel and fixed themselves by the three lugs. The springs therefore no longer be based on the bearing seal from but on the support disc.
Makes the Syntace HiTorque MX Rear hub even more resistant and more durable.
Bring all older HiTorque MX hubs on the technical status of, 2014.
No tools with a few simple steps can be retrofitted