Shimano SPD vs SPD-SL pedals: Understanding the differences - Cyclingnews

What are they, how do they differ and which do you need?

Shimano SPD and Shimano SPD-SL are both clipless pedal systems, which are broadly aimed at off-road and road cyclists respectively. Although the SPD acronym - Shimano Pedalling Dynamics - originated … [+11992 chars]

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