New ECHO SL splined cranks & splined freewheel, available now!
Newly 3D designed SL splined cranks and splined freewheel, available now. The new cranks use a whole 7075 - T6 aluminum sheet and adopting the CNC processing technique, will be splined instead of the traditional 1.37''*24T threaded design. The new design ensures correct alignment of the freewheel, chain and sprocket reducing skipping. It is also easier assemble and disassemble allowing for easier freewheel changes.