function changeprice1(which){switch (which) {case 'red': document.forms.paypal1.elements.amount.value='9.99';document.getElementById("pricediv1").innerHTML = '£9.99'; break;case 'yellow': document.forms.paypal1.elements.amount.value='9.99';document.getElementById("pricediv1").innerHTML = '£9.99'; break;case 'white ': document.forms.paypal1.elements.amount.value='9.99';document.getElementById("pricediv1").innerHTML = '£9.99'; break;case 'blue ': document.forms.paypal1.elements.amount.value='9.99';document.getElementById("pricediv1").innerHTML = '£9.99'; break; } } KMC 1/8 Coloured Single Speed Chain £9.99 (+ postage of £2.29) This is another fine chain from KMC, its 1/8 width, comes with a quick link, is 122 links long... oh yeah and they come in rad colours too. Choose from: red yellow white blue Quantity: 12345678910 Options: Please select ...redyellowwhite blue Buy Now: function changeprice2(which){switch (which) {case '3/32': document.forms.paypal2.elements.amount.value='12.99';document.getElementById("pricediv2").innerHTML = '£12.99'; break;case '1/8 ': document.forms.paypal2.elements.amount.value='12.99';document.getElementById("pricediv2").innerHTML = '£12.99'; break; } } KMC Single Speed Chain and Half Link £11.99 (+ postage of £2.29) Here you get the top quality KMC chain (see below) bundled with a half link (below again) at a slightly better price. Choose from 1/8" (out of stock) or 3/32" Quantity: 12345678910 Options: Please select ...3/321/8 Buy Now: KMC 3/32 Single Speed Chain £9.99 (+ postage of £2.29) These are KMC  3/32" singlespeed chains. We have tried many chains over the years and I believe you wont find a better singlespeed specific chain. These claim to be stretchproof (stretch resistant would be a more realistic description), heat treated bullseye rivets engineered to run quietly. 112 links long. If it comes up a few links short for your bike, which happens from time to time, let us know and we will send a few more free of charge. We have sold hundreds and hundreds of these and have not had one failure reported... damned strong chains. Quantity: 12345678910 Buy Now: KMC 1/8" Single Speed Chain £9.99 (+ postage of £2.29) As above but in wider 1/8" width. Quantity: 12345678910 Buy Now: function changeprice5(which){switch (which) {case '3/32': document.forms.paypal5.elements.amount.value='3.50';document.getElementById("pricediv5").innerHTML = '£3.50'; break;case '1/8 ': document.forms.paypal5.elements.amount.value='3.50';document.getElementById("pricediv5").innerHTML = '£3.50'; break; } } KMC Half link £3.50 (+ postage of £0.48) This is half a link, a normal link has a skinny bit, and a separate fatter bit. This half link is fat and thin all within one link. This will let you add or subtract 1/2 a link (1/2 inch) from your chain,which means your effective bottom bracket to rear axle distance changes by 1/4 of an inch - helping you get corrrect chain tension. 3/32 or 1/8 width (out of stock), and the ideal partner to the KMC chains above Quantity: 12345678910 Options: Please select ...3/321/8 Buy Now: Gusset 1/8 Half Link £3.00 (+ postage of £0.48) This is half a link, a normal link has a skinny bit, and a separate fatter bit. This half link is fat and thin all within one link. This will let you add or subtract 1/2 a link (1/2 inch) from your chain,which means your effective bottom bracket to rear axle distance changes by 1/4 of an inch - helping you get corrrect chain tension. 1/8" width, for 1/8 width chains Quantity: 12345678910 Buy Now: Gusset Half Link Single Speed Chain 3/32 £11.99 (+ postage of £2.29) A chain made completely of half links in 3/32" width Looks very cool. 96 links long. Comes in a neat presentation tin. Only 360g If it comes up a few links short for your bike, which happens from time to time, let us know and we will send a few more free of charge. Quantity: 12345678910 Buy Now: Gusset Half Link Single Speed Chain 1/8" £11.99 (+ postage of £2.29) A chain made completely of half links in 1/8" width Looks very cool. 96 links long. Comes in a neat presentation tin. Only 474g If it comes up a few links short for your bike, which happens from time to time, let us know and we will send a few more free of charge. Quantity: 12345678910 Buy Now: