Surly Narrow Wide X-Sync Ring 28t 58mm BCD Stainless Steel MFPN=TB72910000 }Wheels Manufacturing Derailleur Hanger -

}Wheels Manufacturing Derailleur Hanger - 21

Chain materials are treated to significantly increase the life span

Friction front shifter is compatible with all major brands of front derailleurs

Photo for color and material reference only

}Park Tool MW-13 Metric Wrench 13mm Blue/Chrome

Surly Narrow Wide X-Sync Ring 28t 58mm BCD Stainless Steel MFPN=TB72910000 }Wheels Manufacturing Derailleur Hanger -Surly Narrow Wide X Sync Ring 28t 58mm BCD Stainless Steel. Surly X Sync ChainringsSRAM licensed X Sync technology Narrow wide tooth profile positively engages chain for better performance with single chainring drivetrains 304 Stainless Steel TECH SPECS Tooth Count 28 Ring Position Type Inner Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds Single Speed 3 32" Chainring BCD 58 Color Silver Defined Color Silver Material Steel