Enduro ZERO Derailleur Pulleys for Shimano 11-speed CheckoutTitle=CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Aluminum Pulley The wrapping direction determines your

The wrapping direction determines your individual preference – for more grip or more freedom of movement Length 2100 Material Foam Color Moondust Grey Weight 135 Adhesive Yes Defined Color Gray Thickness 2

Model Tech 3 Compatibility XX/XO/X9/X7 Left/Right Left

Includes Topeak QuickClick adaptor Rail Material Titanium Saddle Cut Out Yes Material Synthetic Clamp Style Standard Rails Gender/Age Men's Color Black Weight 280 Defined Color Black Size Medium/Large

Keep your existing 15x100mm front wheel as you upgrade to a new Boost 15x110mm fork

KMC DLC 11 chains features an extra-hard surface (diamond-like coating) that reduces abrasive wear and provides optimal stability

Enduro ZERO Derailleur Pulleys for Shimano 11-speed CheckoutTitle=CeramicSpeed OSPW X Pulley Wheel System for Shimano GRX RX820 2x12 - Aluminum Pulley The wrapping direction determines yourEnduro Zero Pulley Assemblies use grade 5 ceramic bearings. Races are won and lost by derailleur pulley drag. Sold in Pairs 9 Grams ABEC 5 precision cartridge bearing CERBEC USA Grade 3 Si3n4 Silicon Nitride balls 52100 high carbon Chromium alloy races Races receive 3 cryogenic treatments and a rust proof Magnetite finish "VV" type 2 lip non contact Silicone labyrinth seals Nylon graphite retainer Fits Brand Shimano Drivetrain Speeds 11