Billet Gears

Low Ratio First Gear Suzuki GSXR1000 (01-24)

Unleash swifter acceleration and achieve faster 60' and 330' times on the track with the GSXR-1000's Low Ratio First Gear. This 44-tooth gear, boasting a 2.75 ratio, facilitates seamless installation as a direct replacement without the need for any...

Robinson Industries Billet 2nd Gear Input Kawasaki KZ900-KZ1000

If you have ever "banged" second gear real hard and shattered 2nd gear, this is the gear you need. Any bike with a slick has to have one of these. These gears are made by Robinson IndustriesThis gear installs without any special tools or press. It just...

Robinson Industries Low Ratio First Gear Kawasaki ZX10R

By upgrading to a low ratio first gear you allow faster acceleration and quicker ET's without running out of gear before the end of the track.  Also great for land speed racers who want a little help getting off the starting line. Changes ratio...

Robinson Industries Low Ratio First Gear Kawasaki ZX12R

By upgrading to a low ratio first gear you allow faster acceleration and quicker ET's without running out of gear before the end of the track.  Also great for land speed racers who want a little help getting off the starting line. Changes ratio...

Robinson Industries Low Ratio First Gear Suzuki Hayabusa (99-20)

By upgrading to a low ratio first gear you allow faster acceleration and quicker ET's without running out of gear before the end of the track.  Also great for land speed racers who want a little help getting off the starting line. Changes ratio...

Robinson Industries Tall Ratio 5th & 6th Gear, Suzuki GSXR1000 (17-23)

Now available from the leader in transmissions, the Robinson Industries wide 5th & 6th gear set for the 2017-21' Suzuki GSXR1000. Features Allows shorter final drive ratio to enable better 60 & 330ft times without running out of gear on top...

Robinson Industries Tall Ratio 5th/6th Gear Suzuki Hayabusa (99-20)

Made of heavy duty aircraft steel, the 5th output gear and 6th gear set is 7% taller ratio than standard (.108 5th, .96 6th). Allows re-gearing for acceleration without sacrificing top speed performance.