BSA and Triumph Conical Hub Fork Top Nuts 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 zinc plated and feature the shallow recess on the top of the nut for the decal.
Beautifully zinc-plated original condition BSA and Triumph Conical Hub Fork Top Nuts 97-4258 for 1971-1972 Triumph and BSA conical-hub forks. 20 TPI threads. Made in the UK by LF Harris to 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.
BSA and Triumph Conical Hub Fork Top Nuts 97-4258 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.
For more conical hub fork top nuts CLICK HERE.
New conical hub fork stanchions/tubes are CLICK HERE.
LF Harris motorcycle spares are produced to the highest quality standards possible utilizing original Triumph tooling, dies, factory blueprints & materials combined with modern manufacturing equipment, tolerances & techniques.
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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