Eccentrically machined ZeroStack bearing cups are designed to create a steeper or slacker head angle and are independent of head tube length
Available as a kit that includes additional cups for +/- 0.5, 1.0 and 1.5 degree adjustability (install on frame centerline axis and rotate 180-degree to change angle)
Contoured and relieved 7075-T6 aluminum for minimized weight and maximized strength with self-aligning black oxide steel bearing design for durability
TECH SPECS
QUALITY SERVICE
Just real riders who strive to provide the best customer service.
FREE SHIPPING
Most orders over $75 ship free anywhere within the lower 48 United States
RETURNS
Not happy with your order, just send it back to us for a refund or exchange.
Our Race Team Sponsors
Also Supported By
Our Race Team Sponsors
Also Supported By
Race Team
Racing is a huge part of the culture at Lenny’s Bike Shop, and the Lenny’s Race Team represents the shop on trails and racecourses throughout the region. Made up of passionate riders who love pushing their limits, the team competes in gravity and mountain bike events while proudly representing the Lenny’s community.
Why Shop with Lenny's?
At Lenny’s Bike Shop, cycling isn’t just a business — it’s a passion. As a locally owned, full-service bike shop, Lenny’s is dedicated to helping riders of every level enjoy the sport with the right bikes, gear, and expert support.
From high-quality bicycles and components to trusted service and advice, the team focuses on delivering products and support that help you ride more and ride better.
Whether you’re upgrading your bike, tuning up your ride, or just getting started, you’ll find knowledgeable staff, great brands, and a commitment to keeping the cycling community rolling.