Chris King GripNut Headset, 1-1/4" Black Sotto Voce - Clever Cycles
1-1/4" to 1-1/8" Headtube Headset Reducer / Adapter 1.25" to 1.125"
UTV INC | Parts, Accessories, and Custom Built UTVs | SXS - Side By Side UTV INC 1.75" BILLET ALUMINUM PCI & RUGGED RADIO 1/4" HEADSET PLUG JACK MOUNT UTV INC
Ceramic bearing for CANYON/ACROS 1 1/4" Headset Aeroad/Ultimate/Endurace/Grail | eBay