SHIMANO 105 reinvigorates road cycling with its completely refreshed interface and premium 12-speed mechanical shifting. The ergonomic Dual-Control Levers accommodate a wide range of hand sizes, while the drivetrain's sub-1:1 gear ratio provides options.​

The SRAM GX X-HORIZON™ rear derailleur is engineered for smooth, reliable shifting action-from the larger upper pulley offset to the 12-tooth X-SYNC™ pulley wheels. By eliminating unwanted chain movement, X-HORIZON™ shifts faster.

Hopes most versatile Aluminium E-Bike Cranks specifically designed for Specialized E-mountain bikes. These Cranks have been designed, tested and manufactured in Barnoldswick, UK.

True competitors are always looking for a performance advantage — a relentless pursuit of equipment that is lighter, stiffer, stronger and more durable. To create the best drivetrain possible, we re-examined and re-engineered our crankset design.

With quick lever access and a light and responsive lever action, SHIMANO's RAPIDFIRE PLUS DEORE shift lever delivers smooth control out on the trail.

SHIMANO CLARIS - Rear Derailleur - Medium Cage - 8-speed

With light action and smooth gear transitions, the SHIMANO CLARIS derailleur is compatible with 8-speed road drivetrains.

A chain that’s more than the sum of its hollow pins or its fanatically shaped chamfers. Because it takes more to make a chain XX1 Eagle worthy. XX1 means uncompromising strength at an ultra-light weight with performance consistency and smooth shifting.

FULL PIN™ technology uses eleven lightweight, stamped steel cogs held together with 123 high-strength stainless steel pins. The result: a cassette that's light, durable and equipped with SRAM's super wide 10-42t gear range that's a perfect fit for any rid

FULL PIN™ technology uses ten lightweight, stamped steel cogs and one 42t aluminum cog held together with 123 high-strength stainless steel pins. The result: a cassette that's light, durable and equipped with SRAM's super wide 10-42t gear range.

Whether for prized race machines or the build of their dreams, the XG-1299 cassette is the ultimate, giving riders unprecedented 520-percent range thanks to the new 10-52 tooth-span. Stronger racers are now free to choose larger chainrings.

A rider’s cockpit is a rider’s sanctuary and the shifter is at the heart of it. Make any refinement, and it better have been made to elevate performance - or don’t mess with it. The X01 Eagle™ shifter holds fast to these rules.

Of all the components that make up a mountain bike drivetrain, the shifter doesn’t exactly get a lot of spotlight time. But as the rider’s literal command and control center, the GX Eagle shifter is more than worthy of recognition.