1. Chain Legnth. Put the chain on the small cr, small cog. If the chain is slack, chain may be too long.
2. No tension on der. In small/small combo, rotate der cage in CC direction, you should feel fairly strong spring tension.
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Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1