Review on BOLANY 9 Speed Cassette Review: The Perfect Fit for Mountain Bikes and Road Bicycles, Ultra-Lightweight Design by Dean Partybus

Installation actually went smoothly. I have a rear derailleur with a long basket so I could build a 2x9. 32T and 22T in front and 11T-42T in rear, which is great for rock climbing. However, the cartridge quickly deteriorated. I weigh 170 pounds. I use a small 22T front chain for climbing. However, the largest 36-tooth and 44-tooth cassette rings buckled under load, causing the chain to disengage from the sprocket. i give it back