Review on MTB Bicycle Fork Stem Extender Handlebar Riser Adaptor - TRIWONDER Aluminium Alloy Head Up Adapter by Antoine Scisson

Seems of good quality & well made.Feels very stable & you get an adequate # of spacers. The only thing I didn’t care for is the attachment bolts require a 3 mm or 4 mm hex driver, rather than the more standard 5mm. So ive got 5mm bolts on my handlebar stem & smaller on the extender, directly below the 5mm bolts.Not much to complain about .true, but I’m a rebuilder & stuff like that Bugs me.