Enduro ACB 6808 290413 1.5 Inch Stainless Steel Headset Bearing 40x51x6.5mm 36x36 Grips Dual-Band GPS: Enhanced accuracy and

Dual-Band GPS: Enhanced accuracy and faster satellite acquisition ensure you're always on track even in dense forests or urban canyons

and safety

Compact and Efficient: Its streamlined size is perfect for maneuvering between spokes

Castelli Damping System (CDS) protects median nerve

Enduro ACB 6808 290413 1.5 Inch Stainless Steel Headset Bearing 40x51x6.5mm 36x36 Grips Dual-Band GPS: Enhanced accuracy andACB 6808 SS, 290413 1 1 2" 440C stainless steel Angular Contact Headset bearing (40 x 51 x 6. 5mm: 36 x 36deg) Angular contact headset bearing featuring 440C stainless steel balls and races for superior corrosion protection. Please note that this bearing has slightly different dimensions from the other ACB 6808 bearings we sell, it has a slightly smaller OD and has 36 degree chamfers internally and externally. It was originally spec'd by Trek on