SHIMANO SPARE PART Alfine chain tensioner, Silver

Shimano Alfine Ct-s51 Axis Jockey Wheel System. Keep your SHIMANO Alfine internal gear hub running silently and smoothly with the genuine CT-S51 Chain Tensioner. Designed for frames with vertical dropouts where traditional tensioning isn´t possible, this essential component ensures optimal chain tension, preventing drops and maximizing power transfer. Its double-pulley system minimizes noise and friction for a superior ride. Crafted in Japan for Alfine S7000/S700 series, it offers durable, reliable performance and a sleek, integrated look for your urban or trekking bike. A must-have for maintaining drivetrain integrity. This is a good quality chain tensioner, but it requires manual tension adjustment as it lacks a spring, which may not be ideal for all applications. It is not compatible with coaster brake bikes. For single-speed conversions with vertical dropouts, modifications may be needed; the mounting screw diameter can be too small for a standard derailleur hanger, and the large jockey wheel may require a longer chain to avoid interference with the rear cog. It performs well for its original intended purpose. SHIMANO Alfine CT-S51 Chain Tensioner for Internal Hub GearsMaintain the crisp, silent performance of your high-end urban or trekking bike with the genuine SHIMANO Alfine CT-S51 Chain Tensioner. This essential transmission component, belonging to the sophisticated ALFINE S7000/S700 series, is specifically engineered for bicycles equipped with internal gear hubs (IGH) and frames featuring vertical dropouts. Where traditional chain tensioning methods are not possible, the CT-S51 provides a reliable and elegant solution, ensuring your drivetrain operates with flawless precision and quiet efficiency.Experience the pinnacle of drivetrain stability and performance. The primary benefit of the Alfine CT-S51 is its ability to deliver constant, reliable chain tension. This prevents chain slack, a common issue on bikes with vertical dropouts, thereby eliminating the risk of chain drop and ensuring consistent power transfer with every pedal stroke. Enjoy a whisper-quiet ride thanks to the intelligent double-pulley structure, which guides the chain smoothly and securely, minimizing friction and operational noise. Designed to complement the clean aesthetics of the Alfine groupset, this tensioner integrates seamlessly with your bike, offering a look that is both professional and purpose-built. As an authentic SHIMANO component manufactured in Japan, you can count on its exceptional durability and long-lasting reliability, ride after ride.Unlike frames with horizontal dropouts that allow for wheel adjustment to set chain tension, vertical dropouts prioritize precise and repeatable wheel placement. The SHIMANO Alfine CT-S51 brilliantly solves the tensioning challenge this presents. It mounts securely to the axle, acting as an independent system to keep the chain perfectly taut regardless of wheel position, guaranteeing the integrity and performance of your premium Alfine drivetrain.Main Features:* Double Pulley Structure: Ensures stable and smooth chain guidance for reduced noise and enhanced efficiency.* Vertical Dropout Compatibility: Specifically designed as the ideal chain management solution for frames with vertical dropouts.* Secure Axle Mounting: Provides a robust and fixed mounting point for unwavering tensioning performance.* Alfine Series Design: Features a sleek, low-profile aesthetic that perfectly matches the SHIMANO Alfine groupset.* Versatile Application: Ideal for single-speed and internal gear hub systems requiring external tensioning.Boxes* 1 x SHIMANO Alfine CT-S51 Chain Tensioner in self-service package.Technical SpecificationsBrand:- SHIMANO.Specifications:-SHIMANO chain tensioner ´´Alfine´´self-service package, axle mounting.-CHAIN TENSIONER SHIM.-ALFINE SIL.-Series: ALFINE S7000/S700 Series-Mounting Type: Direct Axle Mount-JP. tradeinn Bikeinn

Very practical for aspiring fixie riders Elegant design Functional Highly durable