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15370 CR 565A, Ste C
Groveland, FL 34736
JConcepts - 12mm rear hex adaptor for B4.1, B44.1 - blue anodized aluminumPart # - 2091 (Fits B4.1 and B44.1 rear axle and requires 12mm hex wheel)
Converting the rear of the B4.1 or B44.1 to 12mm hex drive is simple with the release of the rear hex adaptor set from JConcepts. The hex adaptors are precision machined, blue anodized aluminum and feature a clamping style design that combine durability and functionality. Installation is simple and converts the rear of the B4.1 to the more popular 12mm design.
Adaptors require JConcepts Inverse wheels #3338 (white) #3338Y (yellow) or Mono wheels 3348 (white) 3348Y (yellow) wheel for proper mounting, offset and handling characteristics.