My 140dB bicycle horn with the third Klaxon added.

 

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VINTAGE BICYCLE TANK DELTA HORN ASSEMBLY ELGIN COLSON SEARS HIGGINS RAT ROD
VINTAGE BICYCLE TANK DELTA HORN ASSEMBLY ELGIN COLSON SEARS HIGGINS RAT ROD
Paypal   US $14.95 		2012 New Hot Interesting Bike Bell sounds helmet Bicycle Alarm Horns Black
2012 New Hot Interesting Bike Bell sounds helmet Bicycle Alarm Horns Black
Paypal   US $.99 		BICYCLE BIKE CYCLE HORN BELL HOOTER HONKING HORN GIFT
BICYCLE BIKE CYCLE HORN BELL HOOTER HONKING HORN GIFT
Paypal   US $1.00
Bicycle Bike Retro Metal Air Horn Bugle Rubber Bulb new
Bicycle Bike Retro Metal Air Horn Bugle Rubber Bulb new
Paypal   US $1.00 		NEW Chrome Retro Style Bike Bicycle Air Horn Loud new
NEW Chrome Retro Style Bike Bicycle Air Horn Loud new
Paypal   US $3.00 		Bicycle bike 4 tones electronic warning lights siren beeper horn bell ludp clb12
Bicycle bike 4 tones electronic warning lights siren beeper horn bell ludp clb12
Paypal   US $.99