My Basket


13t ceramic jockey wheels / pulleys for Shimano 12 speed

£35.79 GBP

  • Description
  • Features
  • Set-up Tips
  • Shipping & VAT

Mt Zoom 13 teeth ceramic bearing jockey wheels / pulleys for Shimano 12 speed derailleurs.

Designed for performance & durability.

Compatible with the following 12 speed rear derailleurs: Shimano Deore M6100, SLX M7100, SLX M7120, XT M8100, XT M8120, XTR M9100, XTR M9120, plus the following 11 speed rear derailleurs - Shimano Deore M5100, XT M8130.

Sold as a pair. Upper & a lower with an anti chain jamming lip. Ceramic bearings.

Specifications / Features

Hybrid ceramic bearings for  smoothness & longevity.

High grade 7075 T651 aluminium alloy.

Note: The lower jockey wheel features the chain retaining lip/ to prevent the chain jamming in the mech

Set-up / Tips

Bearings can be serviced/cleaned to prolong life & performance.  1. Remove the bearing shields & rubber covers with a pin. 2. Blast with WD40 etc. to clean. 3. Relube / Regrease. 4. Press bearing covers back in fully.

The lower jockey wheel is the one with the lip/flange.

Shipping & VAT


Items are posted from the UK.

Standard UK DELIVERY in is FREE.

International postage cost is quite low as our products are light, and can be seen at the checkout.

Some international destinations may have an additional tracking charge.

Feel free to get in contact regarding shipping / customs requests.


The price shown for customers outside the UK does not include the 20% UK sales tax - bonus!


You can securely pay via Paypal, Amazon Pay  or standard Credit/Debit card options.

We take payment in £GBP but have added a currency conversion app on the product page for 6 other major currencies for a conversion reference.

We can accept payment in Euro, USD & Aus $ via a Paypal invoice, and Bank transfer in Euro & £GBP, however you will have to contact us on

If you have any payment problems/questions please get in contact.