Feature●Technical data: <br>Condition: 100% brand new. <br>Item type: chain ring <br>Material: aluminium alloy. <br>Colour: black. <br>Optional design: 40T, 42T. <br>BCD: 104mm / 4.1" <br>Approx. weight: 99-115 g. <br><br>Package list: <br>1 x bicycle chain ring. <br>●EXCELLENT MANUFACTURE: The bicycle chain ring is made of high quality aluminium alloy, durable and long lasting.●Best construction: the ergonomic shape uses the Stamped function to achieve more Stamped traction.●Perfect for: suitable for most Shimano cranks, suitable for AM/XC bicycles.●Value: with easy installation, the positive tooth of the corresponding chain is wide, the tooth of the corresponding negative chain is narrow. A perfect replacement for bicycle repair.●GUARANTEE: If you are not satisfied with our product, you can request an unconditional return and refund within 180 days. If you have any problems with this product, you can send e-mails immediately.Description