Billet Gears

Low Ratio First Gear Suzuki GSXR1000 (01-25)

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 Billet 2nd Gear Set Kawasaki ZX-14R (12-25)

Robinson Second Gear Set – Kawasaki ZX-14R (2012-2025) Upgrade your ZX-14R’s weak link with the Robinson 2nd Gear Set – built to handle serious power. Second gear takes the most abuse in drag racing. After clutch...

Robinson Industries Low Ratio First Gear Kawasaki ZX-14R (12-25)

Robinson First Gear – ZX-14R (2012–2025) Shortens low gear without changing sprockets Drops right into 2012–2023 ZX-14R transmissions Upgraded to 49 tooth vs. stock 47 tooth

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...

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...

Robinson Industries Low Ratio First Gear Suzuki Hayabusa (99-21)

  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...

Robinson Industries Tall Ratio 5th & 6th Gear, Suzuki GSXR1000 (17-25)

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...

Robinson Industries Tall Ratio 5th/6th Gear Suzuki Hayabusa (99-21)

  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.