Enduro MR 15307 LLU/LLB Radial Cartridge Bearing - ABEC-5 Headwear and Zeb fork configurations

and Zeb fork configurations

and stainless steel

The adjustable height leg accommodates a wide range of bike sizes by dialing in the leg length to match your chainstay and ground clearance

gravel racers

Fat-adjacent 20-inch builds are uncommon enough that having a spare on hand isn't a luxury

Enduro MR 15307 LLU/LLB Radial Cartridge Bearing - ABEC-5 Headwear and Zeb fork configurationsWhat Makes the Enduro MR 15307 ABEC 5 Bearing So Precise? The Enduro MR 15307 is a high precision radial cartridge bearing built to ABEC 5 tolerance standards, delivering tighter dimensional accuracy and smoother rotation than ABEC 3 bearings of the same size. High precision chromium steel balls provide smooth, durable rolling performance in demanding cycling applications. The dual seal design pairs an LLU seal on the outward facing side for maximum