The newly designed crank arms offer an optimized balance between lightweight and efficiency.

The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look.

The resin ribs on the back of the chainrings are SHIMANO 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.

Shimano SM-RT70 Centre Lock Rotor

Steel and alloy construction

Offers quick heat radiation

Reduced brake fade

Reduced noise

Increased pad clearance

Includes lockring

R7100 front derailleur 

Wide link design 105 double front derailleur for increased rigidity and improved shifting response

Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load

For 12-speed drivetrains

Toggle link design is light action with short lever movement and less effort at the end of shifting stroke

Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm O.L.D.

Support bolt provides added stability

Maximum capacity of 16 teeth with 50-52 tooth outer

The aluminium parts are coated to resist corrosion and maintain their great looks

Options - Braze on , 34.9mm or 28.6/31.8mm

R7120 STI Mechanical Levers 

Slim ergonomically designed 105 Dual Control Levers for smaller hands with hydraulic disc brakes offer powerful braking and effortless 12-speed shifting

Lever blade has been shaped to reduce reach for riders with smaller hands

Ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes

Hydraulic brake lever provides powerful, controllable and consistent stopping power with less effort especially from the hood position

Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear

Tuneable reach adjusters enable custom fitment for hands

Comes complete with Optislick coated cables and silicon greased outer casing to further reduce shift friction and increase service life

Easy bleed and clean hydraulic system, for use with Shimano mineral oil only

BR-R7170 105 flat mount callipers front & rear 

High performance low profile 105 hydraulic road disc brake for efficient braking in all conditions

Rear wheel use for 140 mm flat mount frames, can be used with adapter for 160 mm

Front wheel use for flat mount forks with adapter to flip between 140 and 160 mm

Oversized 22mm ceramic pistons optimized for heat insulation, lightweight and stiffness

Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control

Increased pad to rotor clearance reduces the chance of rotor drag

Forged calliper design is lightweight and rigid

One way internal fluid circuit makes bleeding easy

Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid

Shim-less mounting bracket allows for quick installation and setting up

Recommended for use with Ice Tech Center Lock SM-RT70 rotors for optimum braking performance

Comes complete with L05A resin compound pads

Inline hose routing for low profile design

R7100 Rear derailleur

12-speed 105 wide link rear derailleur

Wide Link design increases rigidity and shifting performance

Super stiff for fast and accurate changes across the cassette

Large 11 tooth pulleys increase service life and reduce noise

Super light shift action

Compatible with 12-speed drivetrains

Minimum low sprocket 34T, maximum low sprocket 36T with double chainset

Maximum front difference 16T, total capacity 41T

Average weight 249 grams

M6100 116 Link chain

Deore M6100 12-speed Hyperglide+ chain for smooth shifts and maximum durability

Shimano 12-speed Hyperglide+ chains have computer designed plate profiles to operate seamlessly with Shimano DCE 12-speed chainrings and cassette sprockets, resulting in 1/3 faster shift time than Hyperglide systems even under load

Outer plate design has been developed to reduce the chance of chain suck

For use with 12-speed HG+ drivetrains

Comes complete with Quick Link which enables fast tool free chain assembly