SHIMANO GRX Di2 RD-RX717 1x12-SPEED REAR DERAILLEUR new_product Big Bite™ Valve: Delivers 20%

Big Bite™ Valve: Delivers 20% more water per sip

The Elite BORSON is a very practical bag designed for bike transportation

Beautifully constructed with a strong and slender spindle

Equipped with a Presta and Shrader compatible ABS flex hose with integrated valve insertion tool

Compatible with any hub width

SHIMANO GRX Di2 RD-RX717 1x12-SPEED REAR DERAILLEUR new_product Big Bite™ Valve: Delivers 20%The SHIMANO RD RX717 GRX Di2 Wireless Rear Derailleur brings electronic precision to gravel and adventure riding. This 12 speed derailleur features wireless shifting via integrated battery (BT DN320 sold separately) with BLE and ANT+ connectivity for seamless gear changes on any terrain. The Shadow ES design includes a low profile skid plate and dual spring chain stabiliser that reduces bounce and skipping on rough surfaces. Enhanced spring force