100% brand new and high quality<br> <br> Features:<br> Compatibility: Convert a multi speed hub to single speed wheel. Compatible with all Shimano or Sram 7 to 11 speed cassette type hub body, mountain and road. NOTE: It will NOT covert the hub into fixie, so the hub is still a freewheel hub.<br> High quality stainless steel: The flywheel is made of high-resistant stainless steel, the strength and hardness are twice that of ordinary 316 stainless steel, and the hardness reaches 18 degrees.<br> Chain Size: The sprocket is compatible with the chain width from 1/2" x 3/32" to 1/2" x 11/128". ( 7 speed to 11 speed chains). You can use your original chain<br> With a choice of different sprocket teeth selections, you can always get the perfect pedaling ratio.<br> Perfect Chain Line: The kit includes a set of single speed spacers, lockring and sprocket.Comes in a range of spacer size's Allowing to get a perfect chain line. Please watch the video in the listing for more details.<br> Package: Spacers: 2x 10mm, 1x 5mm, 4x 3mm. Hub Ring Nut (lock ring): Quality alloy 6061. Sprocket: Cro-mo steel construction ensures reliability.<br> <br> Specifications:<br> Material: Stainless steel<br> Color: silver<br> Teeth: 12T/13T/14T/15T/16T(optional)<br> Processing technology: CNC cutting<br> Packing size: approx. 12x8x2cm/4.72x3.15x0.79in<br> Applicable: Mountain bike multi-speed to single-speed, suitable for 7/8/9/10/11-speed chain<br> <br> Note:<br> No retail package.<br> Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you<br> <br> Package Includes:<br> 1 x Single-Speed Bike Freewheel<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store