Shimano Rear Derailleur RD-TY21B 6/7 Speed Hanger MountModel: RD TY21 Black (Short Cage) Series: Tourney Speed: 6 7 speed Colour: Black Material: steel + resin guide wheel Weight: about 268G Cable adjuster: Compatible chain: HG UG 6 speed Direct attachment (Conventional): Low sprocket_Max.: 28T Low sprocket_Min.: 28T Max. front difference: 13T Pulley_Teeth: 11 11T Pulley cage: SS Rear speeds: 6 Riveted adapter_Road type: Top sprocket_Max.: 14T Top sprocket_Min.: 14T Total capacity: 28T

SERIES                     : SHIMANO 105 R7000 Series

Brake shoe standard: R55C4

Series: Deore M6100

Shimano Tiagra RD 4700 Rear Derailleur 10 Speed

628 grams (175 mm

Model: RD-M8050 GS

Shimano Claris STI ST R2000 Shift Brake Levers Right Left 2x8 Speed

Material: High-grade Steel

Link bushings                                   : 2

Clamp band Open clamp: ✔

With a SIDE SWING design

Technology: