Features:
HUMANIZED DESIGN--Ergonomic shape utilizes the stampede acting efficiently to create more stampede traction.
PERFECT CHOOSE FOR CHAIN RING--The positive tooth corresponding chain tooth is wide, tooth corresponding negative chain is narrow.
HIGH COMPATIBLE--Made of high quality aluminium alloy, suitable for most SHIMANO crankset, Compatible with AM/XC .
MORE PRACTICAL--The narrow wide tooth design greatly increases the contact area with the chain, thus each chainwheel teeth can be fully inserted to achieve maximum grasp force.
LONG SERVICE LIFE--Standard tooth design ensures optimal chain retention, increases service life and reduces friction and noise.

Specifications:
Condition: 100% Brand New
Item Type: Chainring
Material: Aluminium Alloy
Color: Black
Optional Style: 40T, 42T
BCD: 104mm / 4.1inch
Weight: Approx. 99-115g

Package List:
1 * Chainring