Shimano HG Cassette 12 Speed CS-HG710-36TThe 11 36T 12 speed cassette offers a wide gear range of 327%. From sprinting on the flats to steep climbs, you can choose the best gear ratio to suit every situation. Gear steps are optimized for pedaling efficiency, with the first eight cogs focusing on a natural and comfortable connection, and the largest four cogs allowing you to select from a wide range of gears while avoiding abrupt gear ratio changes. BENEFIT Refined 12 step gear combination

Weight : 860 grams (Front)

11-34T and new 11-36T gear spec

GXP Bottom Bracket

Two size options (SM and ML) for optimized support and pedaling efficiency

Find new ways to enjoy trekking and daily flat-handlebar riding with this reliable rear derailleur's seamless shifting and pedaling for 2x11-speed systems

Model No: CS-HG400-8

Gears：10 Speed

Model: EW-SD300-I

New ULTEGRA R8000 series is "pro-proven" as it is a direct trickle down from DURA-ACE groupset

the pedal's wider and at the same time longer edge-to-edge contact surface ensures efficient power transfer

Brake lever SLR-EV                                                  : Yes

Shift lever