NITTO b353 new bosco bar (dull) 520mmThe Swept back handlebar "B353" also known as the "Bosco Bar" is the classic handle bar from NITTO. We could pretty much say that these are the go to bars for Riv bikes. The chromoly version has a sturdier feel compared to the aluminum version. The rise became higher and they come back more than the B602F Bosco bars. A comfy and relaxed ride is guaranteed. The bar end inner diameters are slightly wider in order to fit bar end shifter levers or reverse