H_Ratchet DBL 40T Freehub | SRAM XD/XDR Up to 30mm Dynamo specific AC power charging

Dynamo specific AC power charging devices or lights (Exposure Revo) are required to work with dynamo hubs

multi-point pawls and 48 ratchets in the hub shell

+ 69% Ultimate Tensile Strength over 6061-T6) welded construction

Tubeless-ready

the LIMITLESS rims have a normal hooked sidewall and are suitable for all clincher road tyres including Continental

H_Ratchet DBL 40T Freehub | SRAM XD/XDR Up to 30mm Dynamo specific AC power chargingReplacement freehub for H_Ratchet DBL 40T hubs. For an expanded view of the freehub, which shows it's individual parts, please see the image gallery. Note: Not all parts of the freehub seen in the expanded view are available to purchase separately. Freehub bearings from left (hub side) to right (end cap side): 6802 2RS Bearing Stainless Steel 6802 2RS Bearing Stainless Steel Please note if you are changing from a Shimano Microspline or Campagnolo Ekar