Fits inside LT60 crowns to reduce size for LT50 motors. Centered. Designed for cylindric tube o63, can be used with wheel SODW63 For octoganal tube o70 combined with crown MT70OCT and wheel SODWLT60-OCT or MT70AOCT For tube o80 combined with crown SOCWLS60-MAD80 and wheel SODWLT50-MAD80 For tube o89 combined with crown MT35B and wheel MT35A, or crown MT35 and wheel SODWLT60-89. For tube o102 combined with crown MT40 and wheel MT40A
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