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Description:
Suit for narrow-wide 30-40T chainring (round chainring), 30-38T chainring(oval chainring), Adjustable design.
Support specification: BB mount. High-strength material, wear and resistance to deformation.
Simple, effective, adjustable, Super Light, durable & great value.
Designed for single ring set-ups to keep your chain in place and avoid it dropping off.
They are simple to install.
Specification:
Material: 7075 aluminum alloy, Nylon
Length: 10cm / 3.94inch
Color: Black, Red
Package Includes:
2 Pieces of Chain Guide(1xBlack, 1xRed)
4 Pieces of Spacers