About this itemDurable Aluminum Alloy: Made of quality aluminum alloy with polished anodized finish, our bike fork stem extender is strong, durable, lightweight and rust resistant. The double screws fixation design can ensure a firm and secure connection to your original stem.Adjustable with 4 Spacer Rings: Our bike stem riser comes with 4 spacer rings. 1 spacer is 10 mm in height and other 3 is 5mm each. The minimal height of the extender is 50mm, which means you can raise your stem by 85 mm.Compatible with Most Bikes: Our bicycle stem raiser is applicable for most bikes with a 1-1/8" or 28.6mm threadless steerer, be it mountain bikes, road bikes, Fixie or BMX. Please measure your steerer tube before ordering if you're not sure of the diameter.Easy.
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