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Kogel Bearings Speed Kolossos Oversized Cage Shim RX800 Black

Kogel Bearings Speed Kolossos Oversized Cage Shim RX800 Black

SKU: B-KB5712
Regular price $499.99

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Sale - Discount Applied Automatically At Checkout
Expected Ship Date: Fri Jun 05
  • Offers the lowest friction possible while maintaining shift accuracy
  • Includes pulleys with ceramic balls, steel races and road seals
  • Long tooth profile on lower pulley for best chain retention
  • Same weight but even stiffer than the previous generation Kolossos for full gravel capability without compromising performance
Model Speed Kolossos
Compatibility RX800 and GRX
Upper/Lower 12/20t
Color Black
Upper Lower Pulley Size 12/20T

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Just real riders who strive to provide the best customer service.

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Most orders over $75 ship free anywhere within the lower 48 United States

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Not happy with your order, just send it back to us for a refund or exchange.

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Our Race Team Sponsors

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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.

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