SHIMANO GRX RD-RX400 2x10-SPEED REAR DERAILLEUR trek kids Not compatible with pre-model year

Not compatible with pre-model year 2023 Propel frames

any movement of a Scout fitted Bike will trigger the motion-sensitive audio alarm discouraging any further movement and alerting the bike’s owner

The flat bevelled centre studs improve acceleration

Regular use of the cleaner extends the life of the chain and sprockets enormously

SHIMANO GRX RD-RX400 2x10-SPEED REAR DERAILLEUR trek kids Not compatible with pre-model yearBased on the technology introduced by SHIMANO with the RX rear derailleurs, the GRX RD RX400 2x10 speed rear derailleur is characterised by quiet, smooth, precise and reliable shifting, even in the most demanding terrain, thanks mainly to the SHADOW RD+ chain stabilisation system. SHIMANO's GRX, the first Gravel specific component family designed for both fast progress and safe bike handling on loose surfaces, is the result of an intensive and