Ceramic Speed OSPW Alloy SRAM eTap RED Non Coated 11 Speed Oversize Pulley eTap TECHNICAL DATA The overall power savings of the OSPW System for SRAM eTap reach 40%-60%, or more in some cases, over a stock setup. The oversized pulley wheels have 3-5 times longer lifetime than the commonly used standard pulleys on the market. The OSPW system for SRAM eTap derailluers is compatible up to a 32 tooth cassette size and with both short cage amp; WiFli derailluer bodies. The product is for 11 speed eTap and is not compatible with 12 speed SRAM eTap AXS. IN THE BOX Oversized Pulley Wheel System Oil Sticker sheet Silakan langsung click #34;BELI #34;, barang READY STOCK!