Salsa Cowbell Deluxe Drop Handlebar - Aluminum 31.8mm 38cm Black MFPN=WDFS90002 }Full Speed Ahead Pro Track

}Full Speed Ahead Pro Track 50t x144mm Black Chainring 1/2"x1/8"

Low friction surface helps tire beads slip into place

Lightweight and strong 6061-T6 alloy construction with bead-blasted finish

Derailleur = the size of the clamp on the front derailleur you have

Salsa Cowbell Deluxe Drop Handlebar - Aluminum 31.8mm 38cm Black MFPN=WDFS90002 }Full Speed Ahead Pro TrackSalsa Cowbell Deluxe Drop Handlebar Aluminum 31. 8mm 38cm Black. Cowbell blends speed comfort and efficiency for high performance efforts on gravel and paved roads. Designed with gravel racing and riding in mind Cowbell bars feature a 12 degree flare that puts your hands wrists and arms into a natural comfortable position in the drops. Lightweight and strong 7050 T76 series alloy construction with polished finish Drop Reach: 115 68mm 31. 8mm clamp