e*thirteen UL Ultralight Direct Mount Guidering Boost Chainlines - 34t 10/11/12-Speed XCX Compatible BLK Progressive 57.5-65mm 2 TPI 60 Tire Bead

2 TPI 60 Tire Bead Folding Tire Diameter 20" Tire Intended Use BMX Tire Type Clincher

Shoe size 35 Misc Yellow Fluo

75% wear (or "stretch") the points at which most chain manufacturers suggest replacement

Up to 100hrs run time on 2 AA batteries (included)

The precise chrome-plated design ensures high corrosion protection

e*thirteen UL Ultralight Direct Mount Guidering Boost Chainlines - 34t 10/11/12-Speed XCX Compatible BLK Progressive 57.5-65mm 2 TPI 60 Tire Beade*thirteen UL Ultralight Direct Mount Guidering for Boost Chainlines 34t 10 11 12 Speed XCX Compatible Black. The e*thirteen UL (Ultralight) Guiderings are beautiful as well as incredibly light. Compatible with 1011and 12 speed drivetrains. Narrow wide tooth design for chainring retention through the rough stuff Ultralight strong and beautiful design 10 11 and 12 speed compatible Only compatible with e*thirteens direct mount Quick Connect interface