Study the above photos, no 2 is 10 oz and no 4 photo is steel and weighs 24 oz

Light weight space age metal is worth it, built tough to last too.

This is a new piece in the size shown. Freeline marked. Managing customer expectations is the most difficult thing to do with photos and text.  This is a 428 chain 28 tooth 50 mm  split gear.

 Please examine  this product closely  to insure it is something that you can use. It is better to ask questions in advance than after the purchase.