gente eu to com a duvida agora, sobre essa mesa e esse guidão!?

esta mesa http://www.google.com.br/imgres?imgurl=http://www.gtsbikesbrasil.com.br/img/produto/72/1154404216.jpg&imgrefurl=http://www.urbanriders.com.br/transplants/viewtopic.php%3Ff%3D41%26t%3D7803&usg=__GFr-kp_ltpfQFSUELVP8ccxqWVk=&h=380&w=500&sz=26&hl=pt-br&start=0&sig2=yq8_ek8FaVYwQ1wK6a4xMg&zoom=1&tbnid=NsckDA9AX69DJM:&tbnh=135&tbnw=196&ei=gN9uTZzzMYS4twfbx7CGDw&prev=/images%3Fq%3Dmesa%2Bde%2Bbmx%26hl%3Dpt-br%26safe%3Doff%26gbv%3D2%26biw%3D1152%26bih%3D730%26tbs%3Disch:1&itbs=1&iact=hc&vpx=509&vpy=233&dur=861&hovh=196&hovw=258&tx=120&ty=92&oei=gN9uTZzzMYS4twfbx7CGDw&page=1&ndsp=20&ved=1t:429,r:7,s:0

esta mesa acima da no garfo dessa bicicleta, e no guidão http://www.google.com.br /imgres?imgurl=http://www.intertrilhas.com.br/v1/adm/files/item/arq382C.jpg&imgrefurl=http://www.intertrilhas.com.br/lojaonline/index.php%3Fn1%3Dcategoria%26n2%3Dprodutos%26n3%3Ddetalhe%26id%3D949&usg=__PuR99JqDFSikKjssgRxPRB36cNo=&h=250&w=340&sz=38&hl=pt-br&start=0&sig2=zBOw2w3JpgaBpLyBY2aXcg&zoom=1&tbnid=8uWQwMRqR3ngNM:&tbnh=141&tbnw=192&ei=OOBuTYKWKYrPgAe_v6lX&prev=/images%3Fq%3Dgarfo%2Bda%2Bbicicleta%2Bcaloi%2Bexpert%26hl%3Dpt-br%26safe%3Doff%26gbv%3D2%26biw%3D1152%26bih%3D730%26tbs%3Disch:1&itbs=1&iact=rc&dur=609&oei=GeBuTZOXFIbJtge-2Z2EDw&page=1&ndsp=24&ved=1t:429,r:2,s:0&tx=87&ty=95