Praxis eRing Steel Mountain 1X 104BCD - Upgrade Bikes

Praxis Steel 1X 104BCD eRing

Praxis - E-Ring Praxis - E-Ring

• Steel eRing for eBikes.
• ‘Female‘ thread.
• Wave™ Tech.
• Cold-Forged 4130 Steel.
• Must use 'Clutch' style Derailleur.
• 10, 11 & 12 Speed compatible.

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