Praxis - M24 BB30/PF30 Bottom Brackets for Praxis/Sram Cranks Tyres 20-24" 4mm nipples are found at

4mm nipples are found at the hub

Zipp takes a different approach

The ICE TECHNOLOGIES FREEZA rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches

Let your muscles play riding uphill and switch to attack mode riding downhill

Seemee 60/Seemee 100/Seemee 150/Seemee 180/Seemee 200 V2

Praxis - M24 BB30/PF30 Bottom Brackets for Praxis/Sram Cranks Tyres 20-24" 4mm nipples are found atPRAXIS M24 BB30 PF30 BOTTOM BRACKETS FOR PRAXIS SRAM CRANKS M24 bottom brackets for Praxis OEM M24 cranks and Sram GXP Steel spindle cranks, to fit 24mm 22mm stepped spindle FOR MORE INFO CLICK HERE