Jim’s Tech TalkBy Jim Langley Tool Up to Fix a Loose Cassette The other morning on my short almost all-downhill commute to the office my Cervelo S5 started making an awful rattle. I knew straight away what it was because nothing else on road bikes makes quite as loud and metallic a sound. What had happened is the cassette lockring had loosened. That’s the small part that … [Read more...] about How to Fix a Loose Cassette on a Bike