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Due to the maintenance, we will close our website on June/19 9:00-10:00 and June/23 0:00-0:30 JST.
All customers cannot shop on our website during the time. Thank you.
Special tools are required to assemble. (Lock nut wrench: 00-01-021/ 00-01-022) (rotor holder: 00-01-1001)
Since the primary reduction ratio is subject to change "18/67(3.722) to 17/69(4.058)", the number of rear sprocket teeth is required to change sma