Triumph BSA Conical Hub Fork Top Nut 97-4258
These fork top nuts are of the one-piece design that was originally used on the 1971-1972 oil-in-frame 650 models, 750 triples, and BSA B50. They are plated and have the shallow recess on the top for the decal.
Economical plated steel fork top nuts are corrosion-resistant. 20 TPI fitment for use in the 1971-1972 conical brake forks. Will fit 1971-1972 BSA and Triumph 650 and 750 models along with 1971-1972 BSA B50.
The one-piece fork top nuts have the extended tip to locate the internal spring. They are tightened down using a large spanner and seal the fork oil in the fork tube and secure the instrument mounting brackets.
Sold in pairs, replaces OEM PN# 97-4258 97-4395 & 97-4387 and yes, these do replace both the inner and outer fork top nut on disc brake Triumph forks for a cleaner and easier installation.
IMPORTANT NOTE: These top fork nuts are 20 TPI with thread OD 1 3/16th” (1.187″). Check the TPI of your forks before purchase to ensure fitment of these top nuts. See recommend links for a thread pitch gauge.
We also sell billet, polished flush stainless, stainless with decal recess, etc. In this part number, CLICK HERE
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.
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