Shimano SM-CS50 Outer Stopper Assembly - For 1-1/8" Downtube Right Left Pair Length-358 Shimano’s HOLLOWTECH II forging provides

Shimano’s HOLLOWTECH II forging provides optimal weight

Ring Position/Type Chain Retaining Single Ring Tooth Count 28 Round or Oval Round Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Offset 3 Chainline/Hub Compatibility 135/142 MTB Hubs Chainline/Hub Compatibility 170/177 Hubs Chainline/Hub Compatibility 190/197 Hubs Chainline/Hub Compatibility 150/157 DH Hubs Chainline/Hub Compatibility 157 Super Boost Hubs Chainline/Hub Compatibility 141/148 Boost Hubs Material Aluminum Defined Color Red Direct Mount Type Direct Mount CINCH

Stable tripod design folds down small for travel or use at the races

Shimano Di2 Wire Cover SetsFor external Di2 wire routing

High performance carbon layup provides strength and weight savings

Shimano SM-CS50 Outer Stopper Assembly - For 1-1/8" Downtube Right Left Pair Length-358 Shimano’s HOLLOWTECH II forging providesShimano CS50 Housing Stops for 1 1 8" Downtube. Shimano Down tube cable housing stopsConvert shift bosses to cable housing stops Sold in pairs