Shimano Ultegra Di2 RD-R8150 Bracket Axle Unit - Normal Type - Y3J198020 FC SALE Featuring Hyperglide sprocket technology the

Featuring Hyperglide sprocket technology the sprockets have a computer designed tooth configuration with contoured shift gates

Multiple guy-out points with self-equalizing guy-out anchors on side walls

Weight: 828g

Bottom bracket: MegaExo 19mm threaded BB included

Weight: 543

Shimano Ultegra Di2 RD-R8150 Bracket Axle Unit - Normal Type - Y3J198020 FC SALE Featuring Hyperglide sprocket technology theShimano Ultegra Di2 RD R8150 Bracket Axle Unit Genuine Shimano replacement part. Compatible (A exact match) with: Shimano RD R8150 derailleur, RD RX825 derailleur Compatible (B non exact match) with: Shimano RX815 derailleur, RD RX820 derailleur Type B compatibility: Parts are compatible but differ in materials, appearance, finish, etc. Colour: Black Fittings included