R/C Tech Forums - View Single Post - O.S. SPEED Tuned 21XZ-R

09-30-2013, 07:35 AM

#302

Stuff Of Legend

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Join Date: May 2010

Location: Dark Side Of The Moon

Posts: 275

All i see as diff is the head design & the current trend of longer stroke... and somethings going on with the rear bearing

Last edited by Stuff Of Legend; 09-30-2013 at 07:38 AM. Reason: Rear bearing

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