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Service bulletin SB-399

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10026724
Published by NHTSA2008-12-09
Manufacturer's numberSB-399
Manufacturer's date2008-12-08
NHTSA componentWHEELS; SUSPENSION:FRONT:WHEEL BEARING

NHTSA's summary

TRIUMPH MOTORCYCLE: THE RIGHT HAND REAR WHEEL BEARING MAY BE INSUFFICIENTLY GREASED ON A SMALL NUMBER OF SPRINT ST 1050S. *PE UPDATED 10/01/08. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension, Wheels, Wheel bearing

Vehicles listed
TRIUMPH SPRINT ST 10502005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
TRIUMPH SPRINT ST 1050CCM2006 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.