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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SRAM GX EAGLE Rear Derailleur - 52T Max

$119.00

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MSRP $150.00

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Shimano XT CN-M8100 12 Speed Chain

$62.00

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Shimano Deore XT CS-M8200-12 Hyperglide+ Cassette

$195.00

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SRAM NX Eagle Pg-1230 Cassette

$91.99

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SRAM GX T-Type Eagle PowerLock T-Type 12s Chain

$60.00

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SRAM PC-XX1 Eagle 12 Speed Chain

$89.99

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SRAM Pc-X01 Eagle 12 Speed Chain

$72.50

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SRAM XG-1275 S200/GX Eagle Cassette

From $220.00

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SRAM XG-1299 S500/XX1 Eagle Cassette

$545.00

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SRAM Pc-GX Eagle 12 Speed Chain

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Reverse Colab Chain Tensioner

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Race Face Cinch Direct Mount Chainring

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SRAM XS-1275 GX Eagle Transmission Cassette

SRAM XS-1275 GX Eagle Transmission Cassette

$275.00

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Shimano SLX CN-M7100 12 Speed Chain

$39.00

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SRAM XG-1251 XPLR 12 Speed Cassette

$139.00

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Shimano XTR RD-M9100 Rear Derailleur

$269.99

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SRAM Force AXS E1 DUB Power Meter Crankset

$865.00

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Shimano XT RD-M8100 Rear Derailleur

$145.00

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Shimano XTR Cn-M9100 Chain

$85.00

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Shimano Deore XT FC-M8200 12s Crankset

$190.00

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SRAM XX1 Eagle Boost 148 Dub Crankset

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SRAM XG-1270 12 Speed Cassette

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Race Face Aeffect R Cranks

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SRAM Eagle X-Sync 2 3mm Boost Chainring

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SRAM X0 Eagle T-Type Chain

$120.00

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Shimano Deore CS-M6100 12 Speed Cassette

$107.00

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MSRP $115.00

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SRAM Rival AXS XG-1250 12 Speed Cassette

$129.99

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MSRP $145.00

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SRAM QUARQ XX1 Eagle AXS Crank Arms

$369.00

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SRAM NX Eagle Dub Crankset

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SRAM XX Eagle T-Type Crankset

$550.00

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SRAM XS-1295 X0 Eagle Transmission Cassette

$440.00

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Wolf Tooth 104 BCD Chainring Drop-Stop B

From $64.95

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SRAM GX T-Type Eagle AXS 12 spd Rear Deraileur

$440.00

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Direct Mount Chainring for SRAM Cranks

From $79.95

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Sram XX SL T Type Eagle Chain

$180.00

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Shimano Deore XT RD-M8200 12s Derailleur

$170.00

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SRAM X0 Eagle T-Type AXS Power Meter Wide 2-Guards Crankset

$440.00

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Race Face 104 Bcd Narrow Wide Chainring

From $27.99

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Truvativ Descendant 6Kal Eagle Dub Crank

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SRAM Red AXS 1X Aero DUB Crankset, D1

$690.00

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Shimano SLX CS-M7100 Cassette

$99.00

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Shimano XTR CS-M9200-12 Hyperglide+ Cassette

$500.00

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Sram Eagle 90 DUB MTN Wide Crankset

$170.00

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Shimano XTR CS-M9101 12 Speed Cassette

$495.00

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Shimano XTR RD-M9250 SGS Rear Derailleur for 51T

$665.00

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SRAM Eagle PowerLock Link for 12-Speed Chain

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SRAM RIVAL E1 Flattop Chain

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SRAM X01 EAGLE Rear Derailleur - 52T Max

SRAM X01 EAGLE Rear Derailleur - 52T Max

$219.99

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SRAM Eagle X-Sync 2 104Bcd Chainring

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Shimano SM-Cn910 12 Speed Quick Link

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Wolf Tooth Chainring For Shimano GRX Cranks

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SRAM AXS E1 Power Meter spider for threaded mount chainrings

$385.00

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SRAM Force E1 DUB Cranks

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Shimano Ultegra FC-R8100 Crankset

$365.00

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Shimano 105 FC-R7100 12 Speed Crankset

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Shimano XT CS-M8100 12 Speed Cassette

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

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SunRace CSMZ903 12 Speed Cassette

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SRAM Eagle Steel Direct Mount Chainring

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Hope 3 Bolt Direct Mount Chainring

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Hope Spiderless Chainring

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SRAM Rear Derailleur Force XPLR AXS D2 12-Speed Max 44T

$415.00

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SRAM AXS POD Rocker Controller D1

$165.00

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Sram PowerLock T-Type Eagle Black 12 speed (4 pcs)

$21.00

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SRAM XX1 Eagle Boost DUB Crankset - Grey

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Wolf Tooth DM Chainrings for Shimano 12spd Cranks

$84.95

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Shimano Deore CS-M6200 12s Cassette

$140.00

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SRAM XX T-Type Downhill CL56.5 DUB MTB Crankset

$450.00

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Shimano GRX FC-RX820 1X Crankset

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SRAM NX Eagle Dub Boost Crankset

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SRAM XX SL T-TYPE Eagle Powermeter Threaded Chainring

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SRAM GX Eagle Crankset

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Wolf Tooth Oval Direct Mount Chainring for SRAM 8-Bolt

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Shimano Deore FC-M6200 Crankset

$100.00

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5DEV T-Type Aluminum Chainring, 3-Bolt

$99.99

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Wolf Tooth Direct Mount Chainring for SRAM 8-Bolt

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SRAM FORCE E1 Flattop Chain

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

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Shimano Ultegra CS-R8101 Cassette

$130.00

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E.thirteen Helix Race Alloy e*spec BOSCH Gen4 Brose S Cranks

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Shimano Deore CN-M6100 12 Speed Chain

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SRAM Red E1 Flattop Chain

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Shimano DURA-ACE FC-R9200 Chainring

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SRAM Eagle X-Sync2 Cold Forged Chainring

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SRAM T-TYPE Direct Mount Eagle - XX D1 Chain Ring

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Sram XX T Type Eagle Chain

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SRAM Force AXS 2X12 107BCD Chainring

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SRAM XG-1271 XPLR 12 Speed Cassette

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SRAM AXS X-Sync 1X 12 Spd 107BCD Chainring

SRAM AXS X-Sync 1X 12 Spd 107BCD Chainring

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Sram Wireless Blips for AXS eTap

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SRAM Eagle X-Sync 2 6mm Non-Boost Chainring

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SRAM Red AXS 2X DUB Crankset, D1

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Kmc X12 Ti Nitride 12 Speed Chain

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SRAM Eagle SL X-Sync 2 Dm Chainring

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Kmc X12 12 Speed Chain

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SRAM Eagle X-Sync 2 Oval Dm Chainring

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Truvativ Stylo C Eagle 148 Dub Crankset

$209.00

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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