21.5 SPUR/ PINION

jetboy3 · **Joined:** Sun May 08, 2011 22:34:09 **Posts:** 1

g day, iv just purchased a t3 11 and will be running in a 21.5 turn no boost class. problem is i cant seam to find a spur pinion combo to get me close to the 3.5 ratio mark and what will fit. any help would be appreciated.

Sasad · **Posted:** Tue May 10, 2011 12:22:08

92 spur gear and 50 pinion

Arran turner · **Joined:** Mon Mar 21, 2011 19:28:42 **Posts:** 37

34 pinion and 69 spur will give you 3.86, i don't even think you can get a 50 tooth pinion :/ 0.3 probably wont make a big difference

hth
Arran

sidecarphil · **Posted:** Tue May 10, 2011 18:18:20

67/36

This is what i run

you need to look on Ebay.co.uk and search for RWracing he sells spurs this small

gordenwood · **Posted:** Wed May 11, 2011 06:39:55

if you not already using 64p Pinons & Spurs you will need to. I just installed tonight a 50t P with a 92t spur A-main or Stormer Hobbies has both

goos · **Posted:** Sun May 22, 2011 09:22:17

XRAY - Model racing cars

21.5 SPUR/ PINION

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