Wheels Mfg BB86/92 Bearing Praxis M30/28 Base - Pair Year-2015+ They replace your existing spider

They replace your existing spider and chainring with one clean looking

The new Genius applies our patented Integrated Suspension Technology

ensuring outputs remain high for the entirety of the light’s runtime

Pulse Ox not available in all countries)

With the included NIS key

Wheels Mfg BB86/92 Bearing Praxis M30/28 Base - Pair Year-2015+ They replace your existing spiderDual row flanged bearings press directly into 41mm ID smooth bore bottom bracket shells Fits bottom bracket shell widths from 86. 5mm to 132mm Base: Enduro ABEC 3 sealed bearings TECH SPECS model base spindle interface Praxis M30 28 shell BB86 90 92 104 107 shell ID 41mm width 86. 5 89. 5 91. 5 104 107mm package pair