These plugs utilise a viscoelastic rubber cord with an aluminium tip to plug large holes

once this happens

and 40mm rise options

Got a Hope Tech bottom bracket and want to use GXP/Truvativ cranks with it

Renthal FatBars DH Carbon Bars - Black - Gold - 35 - 30 Rise - 800 PLP|EMTB Optimised These plugs utilise a viscoelasticThe Fatbar DH Carbon handlebars are perfect for wide bar applications and aggressive riding! By optimising the carbon layup, Renthal was able to provide incredible strength and the perfect amount of damping to increase comfort and control at the same time. This layup also ensures you have one of the strongest carbon bars on the track. The carbon Fatbar passed the EN BMX drop test standard! Who's this item for: Perfect for Downhill and Enduro riders.