The hybrid ceramic bearings use grade 5 Si3N4 balls to help reduce resistance, saving energy and weight. Also with stainless steel inner and outer races to help against corrosion, HK1010 Needle bearing is also stainless.
The kit will suit the Speedplay Zero, X1, X2, Lightaction, Ti and Stainless.
The kit includes:
10 x 686-ZZ-HC Bearing
10 x MR137-ZZ-HC Bearing
10 x HK1010-SS Needle Bearing
10 x BS012 Viton O Ring
10 x 1/2inch INT Circlip
10 x Snap Ring
10 x M4 x 10 T20 Torque Bolt
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