SunRace MF-MO5 7-Speed Freewheel Shimano Ultegra Di2 11 Speed The AERO 111 also incorporates

The AERO 111 also incorporates all the winning technologies from the GP5000 TR Family: Black Chili Compound for superior grip and minimal rolling resistance

For 11 and 12-speed chain

Ideal for inline skating (roller blading)

Defined Color: Silver

smaller bottle size and an optimized formula that has a crisp white appearance while applying

SunRace MF-MO5 7-Speed Freewheel Shimano Ultegra Di2 11 Speed The AERO 111 also incorporatesBasic replacement or repair freewheel designed for use with friction shifters Durable and hard wearing steel construction SHIMANO Equivalent MF TZ21 MF TZ20 Gears: 14 28t Speeds: 6sp, 7sp Color: Black