Extremely easy to install and adjust using a single 4mm Hex tool, without removing your cranks.
Suit for narrow-wide 30~40T chainring(round chainring), 30~38T chainring(oval chainring), Adjustable design
Never drop a chain ever again and double your narrow wide chain ring life.ISCG08 hole distance: 55.9mm
Support specification: BB Mount. High-strength material, wear and resistance to deformation
Note: The Spacers is used to adjust the distance of the top part like the picture, Not used with bolts.

Features:

Suit for narrow-wide 30~40T(round), 30~38T(oval), Adjustable design

High-strength material, wear and resistance to deformation.

Exclusive design, solid out chain, the chain rate 99%.

Extremely easy to install and adjust using a single hex tool, without removing your cranks.

Never drop a chain ever again and double your narrow wide chain ring life.

Specification:

Plastic top guides, bottom & guard

Material: 6061 aluminum alloy CNC; nylon

Spec:BB mount / ISCG03 / ISCG05

Weight: ISCG03 25g /ISCG05 26g / BB mount 29g

Support range: 30 to 40T tooth slice oval plate 30-38T

Color: Black,Red,Blue

Quantity: 1 Pc

Package includes:

1 x Chain guide

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