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Old 03-07-19, 04:26 PM
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Originally Posted by specialmonkey View Post
How about Shimano's FF and Positron systems?
Indeed. Funny you mention as only a few years ago some maker introduced a same design for MTBs.

Browning was another company making 'esoteric' drive systems like the Smart Shift.

Browning also made for Suntour, The Beast electric shift.

Last edited by crank_addict; 03-07-19 at 04:32 PM.
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