Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA DUB MFPN=311-39431-A102 Tooth Count 28 Chain Width

Tooth Count 28 Chain Width 1/8" Interface Bolt Drive Material 7075 Aluminum Defined Color Black Thickness 8mm keyword search Boyd Sprocket Bore 24mm

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Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA DUB MFPN=311-39431-A102 Tooth Count 28 Chain WidthFeature XD 15 15degree Angular Contact cartridge bearings pressed into precision machined aluminum cups that simply thread directly into the BB shell Feature deep groove raceways allowing for maximum sized Grade 3 Silicon Nitride ceramic balls for for increased contact area and improved performance and longevity Manufactured to the highest standards at the Enduro Bearings production facility in California, USA Combine corrosion proof, cryogenically