The Shimano GRX 11-speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain
For use with threaded presta (non-removable core) tubes
USB rechargeable battery lasts up to 15 hours
Brand Shimano Model 105 Double or Triple Double Drivetrain Speeds 11 Front Der/Shifter Compatibility Shimano Road Rear Der/Shifter Compatibility Shimano Road Mount Type Weight (grams) 490g End Type Shimano/SRAM
CONDITION: 1 (poor) - 10 (new) Chain/Cassette/Cranks: 8
NEW 2025 Orbea Orca M21eLTD PWR Road Bike, SRAM Force AXS, Quarq Powermeter, Carbon Wheels Size:57 The Shimano GRX 11-speed rearBUILD KIT: Frame: Orbea Orca carbon OMX 2024, monocoque construction, HS 1. 5", BB 386mm, powermeter compatible, rear thru axle 12x142mm, thread M12x2 P1, internal cable routing Fork: Orbea Orca OMX ICR 2024, full carbon, 1 1 8" 1. 5" tapered head tube compatible, thru axle 12x100mm, thread M12x2 P1 Steerer Tube: FSA 1 1 2" Integrated Aluminium Cup Crankset: SRAM Force AXS Power Meter Dub 35x48t Shifters: SRAM Force AXS Cassette: SRAM XG 1270 10 33t