Enduro Angular Contact Bearing MRA1728 17 x 28 x 7 Variant:Enduro Angular Contact Bearing ABEC5 MRA 17287 LLB 17 x 28 x 7 mm Cast stainless steel

Cast stainless steel

These Ceramic-Hybrid bearings feature 52100 High-Carbon Chromium alloy races paired with grade 5 Silicon-Nitride Ceramic Balls with 90% fill

Weight front: 745 g

Weight: 770 g

QuickTrackå¨ system compatible with all Topeak MTX TrunkBags and rear baskets

Enduro Angular Contact Bearing MRA1728 17 x 28 x 7 Variant:Enduro Angular Contact Bearing ABEC5 MRA 17287 LLB 17 x 28 x 7 mm Cast stainless steelMR 17287 LLU MAX BO MAX Design, Black Oxide, ABEC 3, radial suspension bearing 17mm x 28mm x 7mm Enduro Bearings pioneered MAX type bearings almost 20 years ago for bicycles to address the challenges associated with mountain bike pivots. MAX type bearings provide 35 40% more load capacity than standard radial bearings by utilizing a special design where the maximum number of balls are inserted into the bearing, via a custom ground slot in the races.