Description The adjustable stem allows the rider to achieve a more comfortable riding position, correcting shoulder/arm/back pain caused by the original setup. This handlebar riser allows you to sit straighter on the bike and is better for your back. Features Specification : 31.8*75mm /31.8*105mm Rise : 0~60° Height : 41mm Color : Matte Black Material : 3D Forged Alloy Please Note: Please read before placing an order. There will be 10-15 days lead time. They will be shipped from our China Warehouse. Velowave is an authorized distributor. Compatibility: Ranger Fat Tire Electric Bike Ghost Electric Mountain Bike