The easton ea70 riser handlebar is easton39s most popular aluminium handlebar and it isn39t hard to see why this bar features the same great proprietary taperwall technology as the high end models but without the high price tag the high performing aluminium allow offer high strength and stiffness at a low weight while the taperwall technology ensures no excess material used taperwall uses different thicknesses throughout the bar to reduce weight without sacrificing strength or s