Bottom Brackets

ISIS revolutionized bottom bracket spindles. Keep yours spinning smoothly with this Platinum ISIS Bottom Bracket from FSA. - Forged, hollow chromoly spindle with titanium nitride coating - Integrated, large ball bearing design - Cold-forged aluminum cups - Includes crank bolts

Tech specs: - BSA: 91g - PF30: 117g - BB86: 66g - BB386: 103g

Dimension American bottom bracket for one-piece cranks. - Include cups, bearings and cones - 24 tpi

The Hellbender 70 bottom bracket utilizes a bearing made of 440C stainless steel, providing exceptional ride quality and reliability. The stainless steel bearing in the Hellbender 70 strikes a perfect balance between value and lasting performance. - 440C stainless steel bearings, dual lip seal, marine grease - Machined aluminum cups

- Bottom bracket for one-piece crank - Sealed mechanism - 24 TPI - Spindle Type: One piece - Cup Material: Steel - Weight: 310-315g - Cup Type: Press Fit - Cup OD/Bearing OD: 51mm

- Forged and CNC-machined aluminum with precision sealed bearings for 2-pc cranks and 24mm spindles - BSA 1.37"x24T for 68/73mm shells