Aluminum Sprocket Nuts reduce unsprung weight and definitely get attention on any bike. The kit includes a stainless threaded insert to prevent stripping and allow higher torque specifications. Sprocket Nuts fit the following bikes: Aprilia 1000SL Falco all years/RSV Mille/R 02-03; Ducati 900SS 98-06/748/916/996 all years; Honda CBR 600 F4i 01-06/CBR 600RR 03-12/CBR 929RR 00-01/CBR 954RR 02-03/CBR 1000RR 04-12/RC51 00-06; Kawasaki Ninja 250 86-09/NINJA 500/R 94-09/ZX-6R 95-02/ZX-6R/RR 03-06/ZX-6R 07-08/Ninja 650R 06-08/ZX-7R 96-03/ZX-9R 98-03/Z1000 03-08/ZX-10R 04-12/ZX-12R 00-05/ZX-14R 06-11; Suzuki GSF 600S Bandit 96-03/GSX 600F 88-06/GSX-R 600 97-09/SV 650/S 99-09/GSX 750F Katana 89-06/GSX-R 750 93-09/SV 1000/S 03-07/TL 1000S 98-01/TL 1000R 98-03/GSX-R 1000 01-08/GSF 1200/S Bandit 97-05/GSF 1200S/SA Bandit 07-09/B-King 08-11/GSX 1300 R Hayabusa/B-King 99-12; Triumph 955I Daytona 2001/Sprint 02-06; Yamaha FZ6 04-09/YZF-600 R 95-07/YZF-R6S 99-09/YZF-R6 06-12/YZF-R1 98-08/FZ1 01-11.