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These bearings feature nitrogen infused stainless steel races that will not rust or corrode paired with Silicon Nitride ceramic balls
it is built to withstand various weather conditions
while the evenly loaded
The combination of lightweight magnesium body and Ti Nitride axle equates to just 332g per pair
Wolf Tooth Bosch Gen 4 Direct Mount Chainring - Drop-Stop B 32T Black ModelNumber=K4574 These bearings feature nitrogen infusedWolf Tooth Bosch Gen 4 Direct Mount Chainring Drop Stop B 32T Black. Wolf Tooth Direct Mount Chainrings for Bosch Gen 4 E Bike Motors are compatible with all Boost and Super Boost bikes that use the Bosch Gen 4 Motor. This brings a lightweight chainring with patented Drop Stop technology to e bike chainrings for the first time. Direct Mount Chainrings for Bosch Gen 4 E Bike Motors are machined with 7075 T6 aluminum at Wolf Tooth in Minnesota USA. TECH
