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Specification
AutomotiveFitType : vehicle_specific_fit
Brand : VersaGenius
BulletPoint1 : [MATERIAL]: This chain tensioner pulley is crafted from high-quality nylon material paired with a TC4 Ti alloy bolt, offering superior strength and resistance to wear. The combination ensures your bicycle maintains optimal chain tension for smoother rides and extended component life.
BulletPoint2 : [SMOOTH OPERATION]: The specially designed porcelain sleeve provides a remarkably smooth, allowing the 12T guide wheel to move effortlessly left and right during gear changes. This enhanced smoothness reduces friction, minimizes noise, and improves your overall cycling experience.
BulletPoint3 : [PRECISE FIT]: The bolt features M5*P0.8 thread specification designed specifically for chain tensioners. The 41mm sleeve and 10mm diameter pulley work together to create the perfect spacing between your rear wheel spoke and chain tensioner (45mm+), forestall‌ing any rubbing issues during gear shifts.
BulletPoint4 : [COMPLETE PACKAGE]: Each set includes everything needed for installation - one 12T guide wheel pulley, one TC4 Ti alloy bolt, and one 41mm porcelain sleeve. This comprehensive kit provides all components necessary for a successful chain tensioner upgrade on your bicycle.
BulletPoint5 : [EASY INSTALLATION]: The chain tensioner pulleyis designed for straightforward installation on compatible bicycles. The replacement process requires minimal tools and technical knowledge, allowing you to quickly upgrade your bike's performance and enjoy smoother gear transitions on your next ride.
Color : as picture show
IncludedComponents : automotive-engine-timing-belt-tensioners
ItemName : Bike Chain Tensioner for Brompton 10mm Nylon Pulley 12T Guide Wheel TC4 Alloy Bolt Porcelain Sleeve Rear Derailleur Upgrade Kit, Black
ItemPackageQuantity : 1
ItemTypeKeyword : bike-chain-tension-idlers
Manufacturer : VersaGenius
ModelName : automotive-engine-timing-belt-tensioners
ModelNumber : R2MRJZ06SY6B43G34Y1E2G2C0
NumberOfItems : 1
PartNumber : R2MRJZ06SY6B43G34Y1E2G2C0
ProductDescription :

Features:

*The chain tensioner guide wheel is made of nylon material, with a TC4 Ti alloy bolt and a porcelain sleeve

*The appearance of the porcelain sleeve is smoother, allowing the guide wheel is smoother when moving left and right

*The distance between the spoke of the rear wheel and the inside of the chain tensioner is more than 45mm, and insufficient distance will cause the guide wheel to rub against the spoke when changing speed

*The screw hole of the shaft of the chain tensioner requires M5*P0.8 thread specification

*Includes a 12T guide wheel, a M5*P0.8 bolt and a 41mm sleeve

Specifications:

*Product Name: Chain Tensioner Pulley and Bolt Set

*Material: Nylon, TC4 Ti alloy

*Size: Diameter 10mm

*Color: Black

Package Content:

1*guide wheel, 1* bolt, 1* sleeve

ProductSiteLaunchDate : 2025-05-10T16:06:22.562Z
SupplierDeclaredDgHzRegulation : not_applicable
SupplierDeclaredHasProductIdentifierExemption : 1
UnspscCode : 44122000
WarrantyDescription : 12 Months