Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
}Full Speed Ahead Pro Track Chainring 53t x 144mm 1/2x1/8" Black
Spoke Interface J-Bend Defined Color Black Color Black Flange Diameter Right 42 Flange Diameter Left 57 Weight 176 Hub Drilling 28 Bearing Type Sealed Cartridge Front Axle 15mm Thru x 110mm Hub/Brake Compatibility 6-Bolt Disc Center to Flange Right 42
Power readings are accurate within +/-1
Tool-free handlebar or helmet mount
This Problem Solvers Two-Pulley Tensioner is for use with single-speed drivetrains
Shimano Dura-Ace R9100 Hollowtech II English Bottom Bracket ModelNumber=MDTSWISS21 }Full Speed Ahead Pro TrackShimano Dura Ace R9100 Hollowtech II English Bottom Bracket. Shimano Dura Ace BB92 BB9000 Hollowtech II Bottom Brackets TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 68 Weight 65 Spindle Interface Type Shimano Hollowtech II Defined Color Black