.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Shimano ZEE RD-M640-SS Rear Derailleur - 10 Speed Short Cage Gray With Clutch Wide Ratio for Freeride. Shimano ZEE RD-M640 Rear DerailleursShimanos stabalizing Shadow RD+ clutch technology is proven to reduce chain slap and noise table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS Largest Cog 36 Color Gray Rear Der/Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type 10x1 Standard Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 10 Weight 250 Chain Wrap Capacity (teeth) 25 Cage Length Short