Trek Speed Sensor Spacer Disk 4mm x 5mm Black Default:Default and Dnister Black/Silver

and Dnister Black/Silver

Model: 105 BR-R7010-F

Part Number W5309853 Color Black Size Short cage Model Year 2026

precisely machined

Larger pulley diameters reduce chain articulation for lower resistance and longer component life

Trek Speed Sensor Spacer Disk 4mm x 5mm Black Default:Default and Dnister Black/SilverSpacer Trek Diamant Speed Sensor Center Lock Disc 4mm Black Genuine replacement parts For proper assembly. Genuine Trek replacement parts to mount the Bosch Speed sensor. Key Features For CenterLock rotors Hardware not included Specifications Part Number W599519 Color Black Size 4mm x 5mm Model Year 2023 Material Components Nylon