Drivetrain

Your bike drivetrain has a pretty important job: It transmits the power you produce with your legs and lungs to the wheels that propel you forward on the road or trail. It’s not one part, but a system made up of the crankset, chainrings, derailleurs, cassettes, a chain, and other small parts — all working together to get you rolling and keep you moving as smoothly and efficiently as possible.

What is the drivetrain of a bicycle?

The drivetrain consists of many components including the crankset, chainrings, front and rear derailleurs, cassette, and a chain that connects it all together. When you pedal, you spin the crankset and chainrings. The chain spins the cassette on the rear which then spins the rear wheel and propels you forward.

When should I replace my bike drivetrain?

The simple answer is when it is worn out. Worn-out drivetrains will shift poorly and won't perform nearly as well as a fresh drivetrain. Luckily, you don't need to replace your entire drivetrain all at once, with some components like your chain wearing out faster than components like your chainrings or cassette. Some tools can help you determine if your chain, cassette, or chainrings are worn out.

What is the difference between a drivetrain and a groupset?

A drivetrain consists of all your components such as a crankset, chain, derailleurs, and chainrings. A groupset is a set of components that are optimized to work best with each other. A complete groupset will come with components that are all from the same family of parts like Shimano XT or SRAM GX Eagle.

How often should you clean/lubricate a bike drivetrain?

You should be cleaning and lubing your drivetrain once every few rides. If you're riding longer distances or you're riding in muddy or dusty conditions, you will want to clean your drivetrain more frequently. Dirt and grime can prematurely wear out your chain and cassette.

What is the best drivetrain to have?

The best drivetrain to have depends on your style of riding. If you are a racer or someone who rides aggressively on the trails, you will enjoy riding with an electronic drivetrain. These drivetrains shift exceptionally well under heavy load for more reliable performance. If you are more of a casual rider, you'll want a mechanical drivetrain.

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Shimano Deore XT M8250-SGS DI2 Drivetrain 51T Upgrade Kit

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SRAM Force E1 DUB Wide Left Arm and Power Meter Spindle

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Shimano XTR RD-M9250 SGS Rear Derailleur for 51T

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Shimano Ultegra FC-R8100 Crankset

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SRAM XG-1270 12 Speed Cassette

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Shimano Deore XT SW-M8250 Shift Switch

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KMC S1 Chain

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Truvativ Stylo 6K DUB Crank - OE Packaged

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Shimano XTR M9250-GS DI2 Drivetrain Upgrade Kit for 45T

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Shimano Deore XT RD-M8250 SGS Rear Derailleur for 51T

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Shimano Deore XT RD-M8260 11-Speed E-Bike Rear Derailleur

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Shimano Deore XT CS-M8200-12 Hyperglide+ Cassette

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Shimano SM-CRM96 Chainring

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Shimano XTR SW-M9250 Shift Switch

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Shimano XTR RD-M9250 GS Rear Derailleur for 45T

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Shimano GRX RD-RX827 Rear Derailleur

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Shimano XTR FC-M9200 Hollowtech 2 Crank Arms

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Shimano EC-DN100 Charger

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Shimano XTR RD-M9260 11-Speed E-Bike Rear Derailleur

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Race Face Aeffect R E-Bike Bosch Gen 4/5 Cranks

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Shimano Ultegra RD-R8150F Di2 Rear Derailleur

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Shimano Deore XT RD-M8250 GS Rear Derailleur for 45T

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Shimano Deore XT M8250-GS DI2 Drivetrain 45T Upgrade Kit

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SRAM XG-1351 XPLR E1 13 Speed Cassette

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SRAM Force AXS E1 DUB Wide XPLR Power Meter 1x Crankset

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SRAM Rival E1 Direct Mount Chain Ring Set

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KMC MissingLink-11 Connector

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SRAM Red DM X-Sync 6.5MM Offset Chain Ring

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SRAM Rival 1x AXS E1 13 Speed Rear Derailleur

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SRAM Rival E1 DUB Left Arm and Power Meter Spindle

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SRAM Rival AXS E1 Front Derailleur

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SRAM Force AXS E1 12 Speed Rear Derailleur

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SRAM Force E1 Direct Mount Chain Ring Set (For Power Meter)

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Classified Powershift Cassette

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SRAM Force AXS 2X E1 Electronic HRD Groupset

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SRAM Force AXS E1 Front Derailleur

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microSHIFT Sword Black 1x Crankset - 9/10 Speed

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Chris King ThreadFit 30 Bottom Bracket with Fit Kit 1

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Cane Creek 30th Anniversary Ltd Ed Hellbender 70 BB

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SPECIFICATIONS

DRIVE UNIT
BATTERY
DISPLAY
FRAME
FORK
REAR SHOCK
HEAD SET
SHIFTERS
FRONT DERAILLEUR
REAR DERAILLEUR
CRANKSET
BOTTOM BRACKET
CHAIN
CASSETTE
BRAKES
ROTOR SIZE
WHEELSET
TIRES
HANDLEBARS
STEMS
GRIPS
SEATPOST
SEATCLAMP
SADDLE
INTENDED USE