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The bearing is ABEC 5 certified which means that it has passed tests which include ID and OD tolerance’s, roundness of ball, trueness of faces & surfaces as well as noise testing at high RPM.
These bearings have been designed and tested for the harshest of UK winters so if you want bearings that won’t let you down then these are the ones to get.
These headsets have been revised, improved and expanded for optimum fit, sealing and performance as well as compatibility with a wide range of fork and frame standards. Featuring sealed angular contact bearings, split alloy crown races and upper and lower bearing cups CNC-machined from proprietary aluminium, the headset offers the optimum balance of light weight, strength and durability for performance across all riding disciplines.
All models feature a super tough black hard anodised finish, with laser-etched graphics.
A top cap and star nut are also included.
Nukeproof are so confident in the performance of these bearings that they are offering a 5 year warranty so you can be rest assured your purchase will be a good one.
Click here to view and download our Nukeproof Headset Technical Manual.
Model Headtube Internal Diameter Steerer
Black EX34-28.6 - T1 1.1/8" Top Cap Included 34mm 1 1/8"
Black ZS44-28.6 - T2 1.1/8" Top Cap Included 44mm 1 1/8"
Black ZS49-28.6 - T3 1.1/8" Top Cap Included 49mm 1 1/8"
The delivery options available for shipping this product along with the contents of your basket to USA are:
We will happily refund any item purchased on Wiggle if returned to us within 365 days; excluding Wiggle gift vouchers, nutrition and customised products, except when faulty.
Please note: Bikes and other bulky items cannot be returned using our local returns service (where applicable). Please contact us and we can arrange to collect these from you using our discounted courier rates. There is a fee for all collections, except for faulty products.
Returned goods must be unused and supplied with their original packaging, unless the goods are faulty. Wiggle will pay the return postage costs for any faulty items.
