When you’ve got a set of Dunlop TT93GP Professional bike tires that you just purchased in 2025 in your storage (or in your bike), then you definitely’ll need to find out about this new recall. As it’s possible you’ll know, Dunlop is owned by mother or father firm Sumitomo Rubber Industries Restricted, which lately recognized a producing defect with a selected batch of those tires once they have been extruded on the Izumiotsu manufacturing facility in Osaka, Japan.
From January 7, 2025 by means of July 8, 2025, Dunlop TT93GP Professional entrance and rear bike tires have been produced on the Izumiotsu manufacturing facility with an extruder defect on the road. In response to Sumitomo’s data round 57 such tires produced with this defect have been despatched to the US market, representing one hundred pc of the inhabitants. This represents 57 tires in whole, together with each entrance and rear tires. The affected sizes are 100/90-12 49J and 120/80-12 55J.
What’s the defect we’re speaking about? A few of the sidewall rubber compound could inadvertently have ended up on the tire tread floor throughout extrusion, which may overlay the tread floor that ought to, below regular circumstances, be making contact with the highway. This was, Sumitomo says, “not detectable throughout the usual imaginative and prescient inspection course of on the manufacturing manufacturing facility.”
This unintended migration of sidewall compound to the tread floor may, in flip, scale back traction on the affected tires, significantly if a rider is driving aggressively. Sumitomo is initiating this recall out of an abundance of warning, regardless that it says its checks don’t present measurable degradation in efficiency, and no accidents have been reported on the time it filed this recall report with the US Nationwide Freeway Visitors Security Administration.
The treatment service for this recall will contain Dunlop providing house owners a alternative, without charge to them. House owners of the affected tires can both select to obtain a alternative TT93 GP tire of the identical specification, which isn’t a part of the recalled batch, or else they’ll request a full refund of their authentic buy value paid for the faulty tire. Sellers that collected recalled tires might want to render them unusable by slicing the bead in order that they’ll then be disposed of appropriately.
Dunlop/Sumitomo is notifying its supplier community about this concern between August 25, 2025 and September 12, 2025. It’s going to notify registered house owners of those tires between September 15, 2025 and October 10, 2025.
House owners could contact Sumitomo customer support at 1-800-845-8378. Moreover, house owners could contact the NHTSA Car Security Hotline at 1-888-327-4236 (TTY 1-888-275-9171) or go to www.nhtsa.gov.
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