This Sprocket Kit contains a 15 tooth front sprocket and a 42 tooth rear sprocket. The chain is the correct length and requires no cutting.
About the chain: All XAM O-Ring chains are manufactured with hi-carbon alloy steel for strength and durability. XAM utilizes Nitrite Butadiene O-Rings to seal in lubrication and deliver smooth power with minimal ring drag or loss of horsepower.
Chain length is 126 links.
Components:
1x 10-264-15 SPKT MTX 1264-15T 
1x 11-206-42 SPKT MTX 1206-42T 
1x XC428AO126 CHAIN XAM 428AO