Adapter to use a larger brake disc in combination with a Postmount fork or frame and a Postmount brake. The adapter can be used as follows:
QM28 | + 40 mm
PM 5" / 140 mm to 180 mm
QM40 | + 20 mm
PM 5" / 140 mm to 160 mm
PM 6" / 160 mm to 180 mm
QM42 | + 43 mm
PM 6" / 160 mm to 203 mm
QM44 (successor of QM26) | + 23 mm
PM 7" / 180 mm to 203 mm
QM45 | + 40 mm
PM 5" / 140 mm to 180 mm (Hinterbau)
PM 7" / 180 mm to 220 mm (Gabel)
QM46 | + 17 mm
PM 8" / 203 mm to 220 mm
Tech-Tip: The socket size of frame/fork can be identified when mounting the calliper without adapter. E.g. if you can use a 160 mm (6 inch) disc without adapter, the socket is size 6 inch.
Note: Magura QM-Adapters normally wear an arrow - this one has do point to the top when mounted.
The label on the adapter must be readable from the bikes left side.
Included in delivery: 1 adapter with bolts
| Product name: | Magura QM Adaptor Postmount to Postmount Brake |
| Manufacturer: | Magura |
| Item code: | MAG105440 |
| Activity: | Cycling |
| Material: | Aluminium |
| Usage bikesport: | MTB |
| Adapter (mount to brake): | PM > PM |
| Brake accessories & spare parts: | Brake mount adapter |
| Model year: | 2022 |
| Color: | Black |
| Manufacturer item code: | QM 26: 0724131QM 28: 0724496QM 40: 2700515QM 42: 2700517QM 44: 2701967QM 45: 2701940 |
| Manufacturer page: | http://www.magura.de/ |