Shimano Tourney TY300 6/7 Speed Rear Derailleur (Black) Brand-Seasucker Precise and reliable trigger shifter

Precise and reliable trigger shifter is great for repairs or upgrades

Flange Diameter

it’s a hassle if the smartphone itself is placed in jersey back pocket or saddlebag perhaps

Rotor Size = 160mm

tubular tires and standard Tubeless systems

Shimano Tourney TY300 6/7 Speed Rear Derailleur (Black) Brand-Seasucker Precise and reliable trigger shifterSHIMANO TOURNEY TY Rear Derailleur Long Cage 6 7 speed Compatible with 6 and 7 speed SIS Index Shifting drivetrains, the SHIMANO TOURNEY TY300 derailleur is offered in a wide range of fitments and cage options. Features Light action shifting for stress free long riding Smooth, light and reliable shifting performance Double servo panta mechanism Quick and easy assembly Lighter shifting operation and reduced outer cable head distortion wheel type cable