Welcome to, home to the UK's largest, most comprehensive range of gear mech/derailleur hangers 

*Update* 1st December 2020

During these uncertain times, we are still working here at GMH, trying to help you, and getting orders sent out Monday to Friday


We are aware that the postal service is running at full stretch, due to Covid19

Post can take anywhere from 2 days to 14 days in certain areas of the UK


If you can not wait for the post office to deliver, please select our

 DPD TWO day courior in the delivery screen if your item is urgent.
Sadly this is now a 2 day service during the pandemic, as our couriers can not guarantee next day delivery at this current time 



 We will not tolerate abuse from customers over Current Covid19 delivery times


New_web_page_GMH are committed to getting you back on your bike as quickly as possible, we do that by providing high quality customer service, and by stocking over 850 different types of bicycle gear mech/derailleur hangers.

PILO Chainrings

GMH / PILO Water Bottle          GMH/PILO Water Bottle    

GMH / PILO Engineering - Tacx Shiva Water Bottles now in stock, enjoy some GMH Merch !