This is very a dangerous process as high voltage runs through the electronics! Also, it can cause other problems when not reassembling it correctly, like broken magnets and electronics. It will be very helpful for us if you return the damaged FLUX units for analysis, as we would like to be sure that the causality of defects stays within the first and second issue.
Therefor we kindly ask all FLUX users experiencing issues to send an email directly to We will take care of your problem by replacing your FLUX unit for a new one. We are very committed in solving FLUX issues as fast as possible so you can start training again. We are confident that most FLUX trainers with issues from the first production batch are currently known. The current total amount of damaged FLUX trainers known to us is 1.7%, with the majority coming from the first production batch showing the first issue. The vast majority of issues within this category is coming from the first issue.īesides the first and second issue we encountered some minor other incidents, but no structural problems. In order to prevent this issue from happening, we have tested the maximum torque on all the parts and adjusted this accordingly in the production process.Īt the moment we only have a few cases with the same issue as Shane’s second FLUX. This resulted in the grinding noise and smell noted in de video of Shane Miller.
Tacx Trainer 4 Crack cracked#
This weak spot cracked and caused a chain reaction displacing the large metal pulley wheel and letting the tensioning belt run of. Yet, this thoroughness has led to too much tension on the EDCO freewheel hub damaging the connector between the large metal pulley wheel and EDCO body. When sending this second FLUX we double checked every assembly step to make sure this unit was perfect. This second issue also occurred with a FLUX send to Shane Miller. The number of products that got into the market and might have this issue is small, the current return rate is 1,3% for this specific issue.Īnalyzing the second issue was a bigger challenge as it was more difficult to reproduce this incident in order to find out what caused the belt to run of the pulley wheel. After the issue was noted and resolved we made the necessary adjustments to prevent this from happening on all future FLUX products. Please note this problem didn’t occur during our durability and stress tests, which was the issue with Shane’s FLUX during his sprint. This problem will occur within the first hours of use, if it doesn’t your FLUX is ok. During a workout and especially during sprints this wheel is pushed against the steel chassis, causing internal damages and the transmission belt running of. The first issue was caused by the tensioning wheel that might be assembled too closely to the steel chassis. Hereby we’d like to clarify the situation and restore the confidence in the FLUX of current and potential FLUX owners.Īfter analyzing the products with a defect that were send back to our HQ, we concluded that the problems can be brought back to two main issues. Questions are raised about the quality of the FLUX and some of you have concerns about your own FLUX or future FLUX. These issues found their way back to our company through social media, influencers like Shane Miller and our support department.
Since the launch of the FLUX (end of November) there have been some FLUX trainers with quality issues (1,7% of all produced FLUX trainers). To their credit, Tacx provided a transparent summary of their assessment of the situation to the group on January 11th: It was a tough decision not to cancel the order given failure reports.Ī Tacx Flux Owner Group created on Facebook discussed the issue. I received my early production unit in the 1st batch of units reaching US customers on 27Dec. This unit had be carefully prepared by the company prior to delivery. He had inspected the internals of the unit and had not seen any apparent manufacturing differences from first unit. It became more concerning when Shane reported on December 17th that his #3396 replacement unit had failed (see 7min into video) with the same symptoms (slipping belt, burning rubber smell). This trainer was a game changer this past fall, selling for roughly half the list price of similar direct drive trainers (discounted $709 price point during the Black Friday/Cyber Monday sales).Ī flag was raised on December 12th when Australian cyclist and blogger Shane Miller had an early unit (serial number ending #709) unexpectedly fail during a test ride (6:15 into video). The Tacx Flux Smart Trainer came on the market in December 2016 and started arriving to US customers on December 27th.
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