- front hub uses 6902 bearings;
- 6902 bearing dimensions are 15 x 28 x 7mm;
- need a replacement bearing with 17 x 28mm dimensions to use an American Classic or Tune like 15mm thru axle tube (which has 17mm OD);
- MR 17287 bearings are available as 17 x 28 x 7mm;
The Jetblack hub looks identical to the Novatec D771SB hub. This means that the range of Novatec adapters may be usable to convert the hub to 15mm.