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SP PL-8X Dynamo Hub

The new SP PL-8X is more efficient, technologically advanced and simpler than competing hub dynamos while also being 40 grams lighter in weight than any QR15 hub dynamo available.

Current tests show the PL-8X to have achieved a new record breaking efficiency of 78 percent (i.e. watts of mechanical energy converted directly in watts of electrical energy - minus wasted muscular effort that would otherwise be propelling rider and bicycle forward), ranking it above the SP 8 series hub dynamos which previously ranked highest in the world at 72 percent.

The PL-8X is the centrelock disc model. For 6 bolt discs, see the PL-8X.

  • QR15 compatible
  • Comes complete with adaptors for standard 9mm QRs
  • Adaptors for 135mm fat bikes are available from Chris Laundrie for USD 31.99. These adaptors are 6061 T6 aluminum and weight about 70g
  • Current testing suggests efficiency of 78% which is 6% more efficient that SP's 8 series hub dynamos
  • Weight: 420g fully 40 grams lighter than the next lightest QR15 hub dynamo on the market
  • Quick release not included

We also offer dynamo wheel builds on any dynamo hub - contact us for availability and advice on build options.

Note: Please allow up to 2 weeks for delivery.

The new SP PL-8X is more efficient, technologically advanced and simpler than competing hub dynamos while also being 40 grams lighter in weight than any QR15 hub dynamo available.

Current tests show the PL-8X to have achieved a new record breaking efficiency of 78 percent (i.e. watts of mechanical energy converted directly in watts of electrical energy - minus wasted muscular effort that would otherwise be propelling rider and bicycle forward), ranking it above the SP 8 series hub dynamos which previously ranked highest in the world at 72 percent.

The PL-8X is the centrelock disc model. For 6 bolt discs, see the PL-8X.

  • QR15 compatible
  • Comes complete with adaptors for standard 9mm QRs
  • Adaptors for 135mm fat bikes are available from Chris Laundrie for USD 31.99. These adaptors are 6061 T6 aluminum and weight about 70g
  • Current testing suggests efficiency of 78% which is 6% more efficient that SP's 8 series hub dynamos
  • Weight: 420g fully 40 grams lighter than the next lightest QR15 hub dynamo on the market
  • Quick release not included

We also offer dynamo wheel builds on any dynamo hub - contact us for availability and advice on build options.

Note: Please allow up to 2 weeks for delivery.

** Winter Hiatus **

Our store is taking a seasonal break, so you won’t be able to add items to your cart. However, if you urgently need dynamo wheels and lights, or bikepacking bags, get in touch and we’ll be happy to assist you.

Have a fantastic winter!

Ordering Dynamo Hubs

Please contact us before ordering to check availability and to check what size and type of hub you need.

About Us

Good Rotations is an independent online bikepacking and adventure cycling store.

If you are looking for a complete brevet or expedition setup, advice on gear, or help with finding the right bikepacking bag or dynamo system, we're here to assist.

Get in touch: hello@goodrotations.co