100% seamless

OCR Touring - 2003-2005

The SHIMANO GRX RX400 front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner

Weight: 137 g (+/- 5% weight tolerance)

For use on rear wheel

SHIMANO BB-UN300 Bottom Bracket - 68 x 117.5mm - Square Taper giant 100% seamlessSHIMANO Square Type Bottom Bracket MTB Standard Structure Square Type Bottom Bracket SHIMANO quality performance cartridge bearing square bottom bracket Better chainline stability with chain line stabilizer 3 structures available Standard, E type, chain case options Adapter material: Aluminum