Blast from the recent past but attentioned by mr ralph's PM.. Yes, you only need one.. Wheel only slips on the driveside, because that's where the torque is applied..
Here's an MTB guy backing my statement up (1st reply on OP)..
@Rodolfo started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Blast from the recent past but attentioned by mr ralph's PM.. Yes, you only need one.. Wheel only slips on the driveside, because that's where the torque is applied..
Here's an MTB guy backing my statement up (1st reply on OP)..