10 x 20mm Black Alloy Headset Spacers to fit 1 1/8" Steerer*Please note this listing is for 10 Alloy Spacers. Please Check the quantity box if you require more.*These spacers are required to fit in between the top of your headset and the stem on your bike. These 20mm spacers can help you get the right height for your stem so you can get the correct tension on your headset top cap.At SDJ Sports we stock a wide range of quality cycling and sporting products. Please have a look at our extensive catalogue, all of which is in stock. We welcome interaction with our customers so please do not hesitate to email or to call us, to discuss your potential requirements. Contact Us details can be found at the bottom of this page.