MR136 – 32.8 x 41.8 x 6 – 45/45. ACB518K – 40 x 51.8 x 8 – 36/45. ACB518K BOTTOM HEADSET BEARING. MH-P08F TOP HEADSET BEARING. Take the new bearings, apply a little gease and place on the crown race of the fork.
Create idea 2pcs Bicycle Headset Bearings MR136 & MR137 Kit Compatible with Giant OD2 (Overdrive 2 Road) Bikes, 32.8x41.8x6mm/37x46.9x7mm
ACEOFFIX Bike Headset Expander,Plug Stem,Top Cap Cover for 31.8mm,1 1/4",Steerer Over Drive,Carbon Fork Compressor(GIANT OD2)
Giant OD2 carbon Headset Spacer Kit - 5 Spacers - 32.5mm In Total
GIANT OD2 ROAD ( OVERDRIVE 2 ) REPLACEMENT TAPERED HEADSET BEARINGS MR136 MR137
Giant OD2 Overdrive 2 Road Headset Kit Anti Rust
