1988 1989 Honda TRX250R TRX 250R Red O-Ring Chain and Silver Sprocket 14/38 92L 14 Tooth Front Sprocket, 38 Tooth Rear Sprocket and 520-92L Red O-Ring Chain All Race-Driven sprockets meet or exceed OEM specifications and use hardened S45C steel. O-Ring Chain helps keep the pins lubricated which reduces friction and helps the chain last longer. Fits 1988 1989 Honda TRX250R