Praxis 30mm M30 THRU BSA External Bottom Bracket - 30mm - BSA Threaded - 68-73mm Shell PLP|EMTB Optimised the MX-4 features a sealed

the MX-4 features a sealed cartridge bearing at one end and a bush at the other

Silicone-backed strap with hook-and-loop design keeps bag securely in place

Retention System: Bell's Ergo Fit system allows for easy fine-tuning of the fit by twisting the dial at the back of the helmet

• Smoked black valve core

you know it is going to keep your prized possessions safe

Praxis 30mm M30 THRU BSA External Bottom Bracket - 30mm - BSA Threaded - 68-73mm Shell PLP|EMTB Optimised the MX-4 features a sealedPraxis has been making high precision, high performance bottom brackets for years and this is no exception. Praxis provides a clean, smooth and even pedalling experience with their trademark smoothness. Style: This bottom bracket is for installing 30mm spindle cranks into external threaded (BSA English) BB shells. Shell Width: 68 73mm. Spindle Size (Diameter): 30mm. Spindle Length: 108mm or longer Bearing Style: Cartridge 30mm drive and non drive