microSHIFT R539 Front Derailleur 9-Speed Triple 52/42/30 28.6/31.8 Band Clamp Shimano Compatible Color-frk my15 sw shiv fork (xs/s) 50 offset gloss cyan / blue / red / white Color Black Rear Axle 12mm

Color Black Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Cassette Body Type SRAM XD 11/12 Speed Wheel Size 27

Integrated cable lock and lock knob secures bikes to the rack and the rack to the receiver

Bottom line the short works amazing for what it's intended for

8" tires that decrease deflection and dramatically increases traction

Shimano equivalent BR-R451

microSHIFT R539 Front Derailleur 9-Speed Triple 52/42/30 28.6/31.8 Band Clamp Shimano Compatible Color-frk my15 sw shiv fork (xs/s) 50 offset gloss cyan / blue / red / white Color Black Rear Axle 12mmmicroSHIFT R539 Front Derailleur 9 Speed Triple 52 42 30 28. 6 31. 8 Band Clamp Shimano Compatible. Full metal construction provides stiffness and durability in this Shimano 9 speed road compatible front derailleur. Full aluminum construction Compatible with 9 speed Shimano road drivetrains TECH SPECS Drivetrain Speeds 9 Front Derailleur Style Traditional Max Ring (teeth) 52 Double or Triple Triple Front Derailleur Clamp 28. 6 (1 1 8") Front