Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA DUB MFPN=311-39431-A102 5" ISO Width (mm) 53

5" ISO Width (mm) 53 Labeled Size 27

0mm and 36

Drivetrain Speeds 11 Weight 111 Max Ring (teeth) 53 Front Derailleur Style Topswing Front Derailleur Clamp 31

and bottom brackets

Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA DUB MFPN=311-39431-A102 5" ISO Width (mm) 53Feature 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