Enduro Double Row Bearing 21531 21.5 x 31 x 12 Variant:Enduro Double Row Bearing ABEC3 21531 LLB 21.5 x 31 x 12 mm This piece layers well with

This piece layers well with a Perfetto or Aria vest

Full suspension or entirely rigid

Hurricane Pump

Cast stainless steel

Minimal seaming for dexterity and comfort

Enduro Double Row Bearing 21531 21.5 x 31 x 12 Variant:Enduro Double Row Bearing ABEC3 21531 LLB 21.5 x 31 x 12 mm This piece layers well withDR 21531 LLB ABEC 3, Double Row, Radial Bearing (C3 clearance) 21. 5mm x 31mm x 12mm Double Row, ABEC 3, radial bearing with 52100 High Carbon Chromium alloy races paired with grade 10 balls. The double row design greatly reduces flex in the axle of the rear hub, suspension linkage or BB spindle while doubling the bearing contact area. This ABEC 3 bearing features deep groove design races, with Grade 10 balls, LLB seals and 90% fill with high pressure