Pure manual measurement, the size data may have 2-3 mm error. For Yamaha YZF600R For Thundercat 1999 2000 2001 2002 2003 2004 2005 2006 2007 Motorcycle Brake Clutch Levers. Motorcycle clutch lever 6 positions can be adjusted to your preference. The motorcycle clutch is made of CNC aluminum, which is strong and durable with a long service life. Products can be installed and use without modification, easy to install., Manufacturer: SPAMFAFGHQ