Upgraded chain from the DID 525 VX2 chain "Direct Energy Transfer" gives you amazing throttle response due to D.I.D's state-of-the-art technology to increase chain rigidity 525VX3 chain will fit a wider range of motorcycles: Max 1100cc Longer chain life - the 525VX3 has a greatly improved seal performance due to increased X-Ring retention and durability Rivet style ZJ connecting link / master link included Part description explanation: eg, 525VX3 x 108ZB ZJ 525 = chain pitch; VX3 = chain model; x 108 = number of chain links (bike/sprocket specific please check fitment charts or contact us); ZJ = connecting link style (ZJ = rivet link) We recommend all motorcycle parts are fitted and tested by qualified professionals. If you are unsure about the part choice for your bike, please contact us before purchase Fits: Aprilia SMV 750 DORSODURO 2009-2014 SMV750 DORSODURO ABS 2015-2016 Honda CB750 F 1992-2001 CBR600F 2001-2002 CBR600RR 2003-2007 2009-2021 CBR600RRA 2012-2016 Suzuki GSF400 BANDIT 1994 GSR600 2006-2009 GSX400X IMPULSE 1994-1996 Yamaha TDM850 1992-2001