Bolany 9 Speed Cassette Freewheel Mountain Bike Flywheel Sprocket

The surface is waterproofing.Made of tensile steel plate which intensity is more strong.Compatible with Shimano mid or long cage derailleur.Designed hollow and can reduce the weight.Suitable for highway or mountains.Brand: BOLANYMaterial: stainless steelColor: silverSpecies: 11-40T 9 speedItem size:11-40T 9 speed: 17 * 17 * 4cm / 6.7 * 6.7 * 1.6 inchItem weight:11-40T 9 speed: 515g / 1.1lbPackage size:11-40T 9 speed: 19 * 18.5 * 6cm / 7.5 * 7.3 * 2.4inPackage weight:11-40T 9 speed: 632g / 1.4lbPackage Content:1 * Cassette sprocket2* small teeth1* locking coverOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.