Details The Hellbender 110 Bottom Bracket provides an incredible mix of performance and longevity through the inclusion of Enduro XD-15 ceramic bearings. These bearings feature nitrogen infused stainless steel races that will not rust or corrode paired with Silicon Nitride ceramic balls.- Enduro XD-15 ceramic ball bearings are made from pure silicon nitride material with extreme high density and uniform compaction- The race material is an advanced stainless alloy that is nitrogen infused and will not rust or corrode- Dual stage anodize black and gold machined aluminum bottom bracket cups- Kluber NBU52 grease runs better and smoother with time and is highly resistant to being washed out- Designed for use with 30mm spindles
