IS41/IS52 Internal Sealed Bike Frame Headset Bearing Kit 41mm Upper 52mm Lower nada-hidden High strength hardened boron jis

High strength hardened boron jis square taper axle

SLANTED FRONT SIDE FOR FIT AGAINST SADDLE

flat locked seams • Side zipper vents on each leg • Deep front pockets • Belt loops and Elasticated hips • Invisible back zippered pockets x2 • Side cargo pocket on right leg only • Button and zipper front fastening • Lightweight – 340 grams approx • Choose from the bluebird blue or black at time of listing

Comes complete with  2 bar end plugs

CROWN TO AXLE 440mm

IS41/IS52 Internal Sealed Bike Frame Headset Bearing Kit 41mm Upper 52mm Lower nada-hidden High strength hardened boron jisIS41 IS52 Internal Sealed Bike Frame Headset Bearing Kit 41mm Upper 52mm Lower Set of bearings only for a Tapered Frame Headset, as used on various bikes and styles. 41mm upper Bearing, 30mm internal, 6. 5mm Thickness 36 degree angle 52mm Lower Bearing, 40mm internal 7mm thickness 36 degree Angle. Please check against your original bearings