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Testo: <blockquote data-quote="scico" data-source="post: 4742338" data-attributes="member: 2169"><p>Un articolo in internet riporta:</p><p><strong>6870 Weight</strong></p><p> </p><p>For the weight weenies out there, 6870 comes in a 69g lighter than the previous 6770 version using the external battery. Switching to an internal battery shaves an additional 57g to a full savings of 126g from 6770. In fact Shimano says an <strong>internal battery</strong> equipped 6870 groupset comes out 9g lighter than its mechanical sibling (2368g versus <strong>2359g</strong>).</p><p> </p><p>Un altro sito però per il meccanico dice (scausate ma la tabella s'è sbindata):</p><p> </p><p style="text-align: center"><strong><span style="font-size: 10px">2014</span></strong></p> <p style="text-align: center"><a href="http://www.totalcycling.com/en/Shimano-Dura-Ace-9000-11-Speed-Groupset/k-20887.aspx" target="_blank"><strong><span style="font-size: 10px"><span style="color: #0066cc">Shimano</span></span></strong></a><a href="http://www.totalcycling.com/en/Shimano-Dura-Ace-9000-11-Speed-Groupset/k-20887.aspx" target="_blank"></a></p> <p style="text-align: center"><a href="http://www.totalcycling.com/en/Shimano-Dura-Ace-9000-11-Speed-Groupset/k-20887.aspx" target="_blank"><strong><span style="font-size: 10px"><span style="color: #0066cc">Dura Ace 9000</span></span></strong></a></p> <p style="text-align: center"><strong><a href="http://www.totalcycling.com/en/Shimano-Ultegra-6800-11-Speed-Groupset/k-20885.aspx" target="_blank"><span style="font-size: 10px"><span style="color: #0066cc">Shimano</span></span></a></strong><a href="http://www.totalcycling.com/en/Shimano-Ultegra-6800-11-Speed-Groupset/k-20885.aspx" target="_blank"></a></p> <p style="text-align: center"><a href="http://www.totalcycling.com/en/Shimano-Ultegra-6800-11-Speed-Groupset/k-20885.aspx" target="_blank"><strong><span style="font-size: 10px"><span style="color: #0066cc">Ultegra 6800</span></span></strong></a></p> <p style="text-align: center"><strong><span style="font-size: 10px">Shimano</span></strong></p> <p style="text-align: center"><strong><span style="font-size: 10px">105 5700 </span></strong></p><p></p><p><strong><span style="font-size: 10px">Crankset</span></strong><p style="text-align: center"><span style="font-size: 10px">636</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">694</span></p> <p style="text-align: center"><span style="font-size: 10px">834</span></p><p></p><p><strong><span style="font-size: 10px">BB Cups </span></strong><p style="text-align: center"><span style="font-size: 10px">67</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">76</span></p> <p style="text-align: center"><span style="font-size: 10px">102</span></p><p><strong><span style="font-size: 10px">Shift Lever</span></strong></p><p style="text-align: center"><span style="font-size: 10px">363</span></p> <p style="text-align: center"><span style="font-size: 10px">419</span></p> <p style="text-align: center"><span style="font-size: 10px">492</span></p><p></p><p><strong><span style="font-size: 10px">Rear Derailleur </span></strong><p style="text-align: center"><span style="font-size: 10px">160</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">193</span></p> <p style="text-align: center"><span style="font-size: 10px">232</span></p><p></p><p><strong><span style="font-size: 10px">Front Derailleur </span></strong><p style="text-align: center"><span style="font-size: 10px">67</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">86</span></p> <p style="text-align: center"><span style="font-size: 10px">112</span></p><p></p><p><strong><span style="font-size: 10px">Chain</span></strong><p style="text-align: center"><span style="font-size: 10px">248</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">260</span></p> <p style="text-align: center"><span style="font-size: 10px">291</span></p><p></p><p><strong><span style="font-size: 10px">Cassette</span></strong><p style="text-align: center"><span style="font-size: 10px">163</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">226 (11-25)</span></p> <p style="text-align: center"><span style="font-size: 10px">205</span></p><p></p><p><strong><span style="font-size: 10px">Brake Calipers</span></strong><p style="text-align: center"><span style="font-size: 10px">294</span></p> <p style="text-align: center"></p> <p style="text-align: center"><span style="font-size: 10px">340</span></p> <p style="text-align: center"><span style="font-size: 10px">356</span></p><p></p><p><strong><span style="font-size: 10px">Group Weight in g </span></strong><p style="text-align: center"><strong><span style="font-size: 10px">1998</span></strong></p> <p style="text-align: center"></p> <p style="text-align: center"><strong><span style="font-size: 10px">2294</span></strong></p> <p style="text-align: center"><strong><span style="font-size: 10px">2624</span></strong></p><p></p><p> </p><p>Fairwheelbikes infine:</p><p> </p><p>Sram Red22, 2075.5grams</p><p>2012 Sram Red, 2124.5 grams</p><p>2012 Campag Super Record, 2163.9 grams</p><p>2013 Campag 80th Anniversary, 2175.4 grams</p><p>Shimano 9070 Di2, 2212 grams</p><p>Shimano 9000, 2244.1 grams</p><p>2012 Campag Record, 2272.70 grams</p><p><strong>Shimano 7900, 2277 grams</strong></p><p>Campag Super Record EPS, 2327.2</p><p>Shimano 7970 10 spd Di2, 2350.6 grams</p><p>Campagnolo Chorus, 2352 grams</p><p>Campagnolo Record EPS, 2422.8 grams</p><p>2012 Sram Force, 2459.7 grams</p><p>Shimano 6770 Ultegra Di2, 2459.7</p></blockquote><p></p>

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