Spencer Cycle

GSXR1300 Hayabusa Grudge Racing Rear Sets (1999-2019)

Spencer Cycle Grudge Racing Rear Sets for Suzuki Hayabusa main purpose are to allow the foot peg to move farther rearward and downward allowing the position of the rider to be more comfortable on the...

GSXR1300 Hayabusa Grudge Racing Rear Sets Brake Mount With Brake Lever (1999-2019)

Spencer Cycle Grudge Racing Rear Set's are the only grudge racing rear sets available with a rear brake lever and factory style rear master cylinder mount as an optional upgrade. The rear brake...

GSXR1300 Hayabusa Grudge Racing Rear Sets For Use With Rear Brakes (1999-2019)

Spencer Cycle Grudge Racing Rear Sets for Suzuki Hayabusa main purpose are to allow the foot peg to move farther rearward and downward allowing the position of the rider to be more comfortable on the...

GSXR1300 Hayabusa Low Profile Crankcase Breather Cover (1999-2022)

If you are going to do then do it right! That is exactly what we did with our low profile engine crankcase breather covers. CNC machined from 6061-T6 aluminum to exact tolerance's to ensure a exact...

Hayabusa GSXR1300 Full Adjustable Lowering Links

Fully Adjustable Lowering Links These start off at stock position and allow you to adjust 3.5 inches lower than stock height. Fits all years of Suzuki GSXR1300R Hayabusa...

Kawasaki 1998-1999 ZX9 Bolt On Swingarm Extensions 2"- 7"

Now you can keep your stock arm just like it is and when you decide to go racing just bolt these on. Thats right! These bolt on to your stock arm and allow you to adjust your wheelbase length from...

Kawasaki 2000-2006 ZX12R Air Shifter Cylinder Top Mount

  Our Kawasaki 2000-2006 ZX12R air shifter cylinder top mount will allow you to mount the air shifter cylinder on the frame without any drilling into the frame. The air...

Kawasaki 2000-2006 ZX12R Bolt On Swingarm Extensions 2"- 7"

Now you can keep your stock arm just like it is and when you decide to go racing just bolt these on. Thats right! These bolt on to your stock arm and allow you to adjust your wheelbase length from...

Kawasaki 2006-2019 ZX14,14R Air Shifter Cylinder Top Mount

  Our Kawasaki 2006-2013 ZX14,14R air shifter cylinder top mount will allow you to mount the air shifter cylinder on the frame without any drilling into the frame. The air...

Kawasaki 2012-2017 ZX14 Bolt On Swingarm Extensions 2"- 7"

Now you can keep your stock arm just like it is and when you decide to go racing just bolt these on. They are black powder coated to match the factory color of the swing arm. Thats right! These bolt...

Kawasaki ZX10 Rear Brake Caliper Delete Spacer

Quality products are what our customers have come to expect from Spencer Cycle and it is what we are known for. This product keeps that reputation moving forward.The Spencer Cycle...

Kawasaki ZX12R Full Adjustable Lowering Links

Fully Adjustable Lowring Links. These start off at stock position and allow you to adjust 3.5 inches lower than stock height. Fits all years of Kawasaki ZX12R 2000-2006