SURROUND SOUND COPYRIGHT 2011
Andrew Bird is able to make new gears, recondition your existing gears
and create replacement parts for:
4 SPEED SYNCRO BOXES
Super accessories 23/28
Nippy 21/30
Intermediate 22/29
Modified 3rd 25/26 Inverted
4 SPEED CRASH
Trials 2nd gears 15/29 (same ratio as 3-speed 1st)
Close ratio constant mesh 32/37 (single helical)
3 SPEED BOXES
Ulster 16/25 constant mesh
Fake Ulster 16/26 constant mesh
Ultra close 17/25 constant mesh
Ultra close 18/24 constant mesh
NEW 16/28 constant mesh + 20/24 2nd gears.
The ULTIMATE 3-speed box
NEW 14/30 constant mesh trials gears
"ANDES" 20/24 2nd gears
18/24 2nd gears (close to Ulster 2nd with standard 14/28cm)
15T First Gear (trials low first)
Overseas delivery services via air are available.
Please contact Andrew to discuss anything else or advice that you need.