The Mach1 ER-20 Disc is a reinforced double-wall aluminium rim designed for disc brakes only. It is not compatible with V-Brake brakes.
Technical specifications
- Material: aluminium (ALLOY 6063-T6)
- Type: reinforced double-wall rim (Doublewall)
- For disc brakes only; not compatible with V-Brake brakes
- Rim size: 28"
- Rim size according to ETRTO: 19-622 mm
- Internal rim width: 19 mm
- Rim height: 19 mm
- Number of holes: 32
- Weight: 530 g
- Recommended tyre width: 28 mm to 62 mm
- Compatible with 29-inch bicycles
- Finish: black
- Features just one small sticker
- Effective rim diameter (ERD, used only to calculate spoke length): 600 mm
- The joint is reinforced with steel pins
- Rim holes are drilled in a zigzag pattern