20-inch Rear Wheel Grünert Dynamic4 Double-Wall Rim Shimano FH-QC300 7-11 Speed ​​Disc V-Brake Black

20" rear wheel with Grünert Dynamic4 rim & Shimano FH-QC300 – versatile, tested, ready for installation

This 20" rear wheel is a reliable solution for repairs, conversions, or replacing worn wheels.
The Grünert Dynamic4 aluminum rim offers a balanced combination of low weight and stable construction and is suitable for daily use in city traffic as well as for compact specialty bikes.

The Shimano FH-QC300 is used as the hub, designed for 7- to 11-speed cassettes.
It enables clean power transmission and is equipped with a Centerlock mount for disc brakes. In addition, the rear wheel is suitable for use with V-brake rim brakes, making it flexible for different setups.

Manufacturing is carried out using modern technology in series production.
Each wheel is then checked both manually and with electronic measuring technology to ensure consistently high quality.

Technical data:

Rim:

The Grünert Dynamic4 rim is a good choice when a reliable and affordable hollow chamber rim is required.
- 20" double wall rim
- ETRTO dimension: 406-19
- Material: aluminum
- 36 holes
- very light and torsionally stiff
- ø valve hole: 8.5 mm
- recommended tire width: 28 - 62 mm
- Color: black

Spokes:

High-quality and reliable stainless steel spokes
- Stainless steel (high-alloy, non-rusting steel)
- ø spoke bend: 2.00 mm
- ø nipple: 2.00 mm
- Color: black

Hub:

High-quality SHIMANO FH-QC300 hub for 7-11 speed cassettes

- Aluminum
- internal grease sleeve
- cup-and-cone bearings
- quick-release axle
- Centerlock disc mount (with protective cap)
- 36 holes
- 7-11 speed Shimano freehub
- optionally available: adapter for 7-speed cassettes (not included in delivery)
- Compatible with Shimano 11-speed MTB cassettes
- Color: black
- Installation width 135mm

- Wheel weight: 1.1kg
- Brake type: rim brakes, disc brakes

Your advantages with this 20 inch rear wheel

✅ wide compatibility through support of 7–11-speed cassettes
✅ usable with disc brakes (Centerlock) and V-brake rim brakes
✅ controlled quality through manual and electronic inspection
✅ suitable for everyday use, replacement needs, and individual conversions
✅ delivered ready for installation – no additional effort before mounting

Don’t miss our service offer: When purchasing a rear wheel in combination with the matching cassette, also use our mounting service for just €1.
You can purchase this service in the category Cassettes and chains.

All wheels we offer are trued and immediately ready for installation in your bicycle. With your purchase, you will of course receive the appropriate rim tape as well as fastening material (depending on the hub type, quick release or suitable nuts) with every wheel.