DiNotte is a US-based manufacturer of high-end high-cost bike lights.
XML-3
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$230
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400R
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$190
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The 400R required an external battery pack (not included in weight figure). A 2-cell and 4-cell option are available. The specifications shown here are for the 2-cell battery; the 4-cell battery adds $30 and approximately doubles runtimes. The 400R cannot be quick-released and is semi-permanently attached to the bike.
300R
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$190
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The 300R is DiNotte's first taillight to feature an integrated battery. Mounts for multiple seat post shapes are provided.