1️⃣ Shimano rear hub (top part)
Brand: Shimano
Type: Rear wheel hub
Likely use: MTB / trekking / hybrid bike
2️⃣ ErgoTec stem (bottom part)
Brand: ErgoTec
Type: Adjustable bicycle stem
Markings visible:
• “ergo tec 4”
• Torque rating: 6–8 Nm
3️⃣ ErgoTec Handlebar – Details
Brand: ErgoTec (Germany)
Model line: ErgoTec 4 (safety/strength classification)
Stem clamp: 31.8 mm (most common)
• Grip area: 22.2 mm (standard for shifters & brake levers)
