These custom motorcycle tail lights measure 3-3/4" in diameter

or reducers

this is a replacement for OEM # 57-2330

Price is per pair

including the 530 chain that is common on many British and Japanese motorcycles

Solo Seat Springs - Barrel Style - 4 inch Chrome Ebay_Ready These custom motorcycle tail lightsPair of traditional, barrel style solo seat springs, 4 inch height. These are heavy duty springs that are chrome plated for superior corrosion resistance. Solo seat springs support the rear of your sprung motorcycle solo seat, while a solo seat pivot allows the front to move, giving your body some suspension as you ride down the road. Price is per pair.