Microshift R8 Rear Derailleur 8 Speed Long Cage GSREDE1 SILCA valve stem extenders for

SILCA valve stem extenders for tubular tires and tubes with removable valve core

carefully considered beam angles

providing reliable protection for bikes with a wheelbase of up to 130 cm during airport or train travel

Precision-engineered short reach Ultegra STI levers with hydraulic disc brakes give you control

9 x 350mm (27

Microshift R8 Rear Derailleur 8 Speed Long Cage GSREDE1 SILCA valve stem extenders forR8 uses the same kinematics as R9 and R10, but features a construction of steel and composite for great reliability. Features Compact road derailleur kinematicsReinforced joints for improved lateral stiffness Specifications Group: R Series, R8Speed: 8 Speed, 7 SpeedCage Length: Long CageMax Cog: 25 28TCapacity: 39TClutch: NoCage Material: SteelOuter Link Material: SteelCompatibility: Shimano Road Mfr Claimed Weight TBC