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 T-Type Eagle Transmission AXS Groupset

From $649.00

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MSRP $1,199.00

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Microshift Advent X 10-Speed Rear Derailleur V1 - OE

$29.99

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MSRP $65.00

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Shimano DEORE XT LINKGLIDE M8130 11-SPEED KIT

$299.00

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MSRP $361.96

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SRAM XX EAGLE TRANSMISSION AXS Groupset

$1,199.00

SAVE 48 %

MSRP $2,299.00

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Microshift Acolyte SpringLock 8-Speed RD V1 - OE

$14.99

SAVE 56 %

MSRP $34.00

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SRAM XX EAGLE E-MTB TRANSMISSION AXS BOSCH Groupset

$999.99

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MSRP $1,999.00

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Shimano XT RD-M8000 11SP Rear Derailleur

$99.99

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MSRP $130.00

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SRAM S200 Eagle DUB Crank Assembly

$80.00

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SunRace CSMZ903 12 Speed Cassette

From $94.99

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SRAM XX EAGLE E-MTB TRANSMISSION AXS BROSE Groupset

$1,099.00

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MSRP $1,999.00

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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 BB-MT801 BSA Bottom Bracket

$29.99

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MSRP $44.00

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Shimano Deore XT FC-M8200 12s Crankset

$190.00

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

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

$209.95

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SRAM X0 Eagle T-Type Chain

$120.00

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Shimano BB-MT501 Threaded Bottom Bracket

$27.00

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SRAM S200 Eagle DUB Crankset

$100.00

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SRAM XS-1295 X0 Eagle Transmission Cassette

$440.00

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E.thirteen Helix Core e*spec BOSCH CX Gen4/SX Brose S Cranks

From $84.95

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Shimano Deore XT RD-M8200 12s Derailleur

$170.00

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SRAM GX Type 2.1 10 SPD Rear Derailleur

$64.99

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MSRP $71.00

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Race Face BSA 30mm Bottom Bracket

$65.99

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Reverse Single Speed Kit

$46.99

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Shimano CUES U4000 9-SPEED KIT

$160.96

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SRAM AXS POD 2-Button Controller D1

$165.00

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SRAM X0 Eagle T-Type Crankset - OE Packaged

$212.50

SAVE 36 %

MSRP $330.00

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Sram Eagle 90 T-Type Rear Derailleur

$210.00

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Hope E-Bike Crankset

$298.00

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Race Face Turbine Alloy Cinch Crankarms

$197.99

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Cane Creek Hellbender 70 Bottom Bracket

From $124.99

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Sram Eagle 90 DUB MTN Wide Crankset

From $136.00

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MSRP $170.00

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SRAM T-TYPE Chainring

$45.00

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SRAM S200 Eagle Rear Derailleur

$129.00

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Wolf Tooth 104 BCD Chainring Drop-Stop B

From $64.95

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Wolf Tooth Aluminum Single Speed Cog

$54.95

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SRAM GX 1X11 Speed Rear Derailleur

$115.00

SAVE 7 %

MSRP $123.00

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Wolf Tooth BSA Bottom Bracket

$129.95

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Reverse Colab Expert Chain Tensioner

$216.99

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Sram Eagle 90 SRAM/Brose Cranks

$110.00

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SRAM Eagle S500 Alloy Chainring

$45.00

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Shimano STEPS SM-CRE80-12-B Chainring - OE Packaged

$50.15

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MSRP $105.00

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Shimano Deore FC-M6200 Crankset

$100.00

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SRAM X0 T-Type Eagle AXS 12 spd Rear Derailleur

$605.00

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Shimano XT RD-M8100 GS 12 Speed Rear Derailleur

$145.00

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Shimano XT SM-CRM86

$73.00

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SRAM AXS POD 2-Button Ultimate Controller D1

$220.00

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SRAM AXS POD Rocker Controller D1

$165.00

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Shimano XTR RD-M9000 11SP Derailleur

$264.00

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MSRP $285.00

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SRAM X1 Type 2.1 11SP Rear Derailleur

$184.99

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MSRP $224.00

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Rotor Round Spider Mount Chainring

$67.94

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MSRP $80.00

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K-EDGE 1x Race Chain Guide

$104.99

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Truvativ Stylo 6K Al Eagle Dub Crankset

$79.00

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Shimano SLX FC-M7120-1 Crankset OE

$53.99

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MSRP $110.00

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Race Face Cinch Steel Shimano 12 spd Chainring

$21.99

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Shimano XT RD-M786 10 Speed Rear Derailleur

$117.00

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MSRP $125.00

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Truvativ Descendant 6Kal B148 Dub Crank

$99.00

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Shimano XT M8000 SM-Crm81 Chainring

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Shimano XT Fc-M8000 Double Chainring

From $32.00

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SRAM X5 Rear Derailleur

$45.00

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Rotor BSA30 - 68/73mm - Steel - Black

$85.00

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SRAM/ Truvativ XX C-Pin Chainring

$80.00

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Shimano CUES Di2 RD-U8050-11 Speed Rear Derailleur

$284.99

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MSRP $310.00

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SRAM X0 Eagle T-Type Wide Crankset

$330.00

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Wolf Tooth Single Speed Spacer Kit

$29.95

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Race Face ERA Cinch Direct Mount Wide Chainring

$163.99

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5DEV Spindles

$99.99

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Shimano CUES RD-U8050-10 Speed Rear Derailleur

$244.99

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MSRP $270.00

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Hope 3 Bolt Direct Mount Chainring

$83.20

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Shimano EC-DN100 Charger

$45.00

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Direct Mount Chainring for SRAM Cranks

From $79.95

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Shimano CUES SL-U6000 Linkglide 11 Speed Shifter

$38.00

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5DEV Cam Zink Signature Freeride Cranks

$349.99

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Shimano Cues CS-LG300 Linkglide 10 Speed Cassette

From $49.99

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Shimano CUES RD-U4000 Linkglide 9 Speed Derailleur

$60.00

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Shimano CUES U6000 10-SPEED KIT

$202.96

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5DEV T-Type Alloy Chainring, 3-Bolt

$99.99

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5DEV T-Type Alloy Oval Chainring, 8-Bolt

5DEV T-Type Alloy Oval Chainring, 8-Bolt

$99.99

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Easton Cinch Direct Mount Chainring

From $86.99

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Easton Direct Mount CINCH Chainring

From $80.00

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Wolf Tooth CAMO Aluminum Round Chainring

$54.95

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Wolf Tooth DM Chainring - Bosch Gen 4 E-Bike Chain Ring

$89.95

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Race Face ERA Cinch Direct Mount Chainring

$163.99

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SRAM Cassette PG-1231 XPLR 12 Speed

$135.00

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MicroSHIFT Advent Front 9 Speed Double Derailleur

$31.00

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Rotor Kapic Carbon Crankset

$630.00

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SRAM XX T-TYPE Chainring

$120.00

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SunRace MZ91X Cassette

$169.00

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SunRace MX9X Cassette

From $109.00

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SRAM GX Eagle T-Type Crankset

$220.00

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Cane Crank Spindle Spacer Kit

$17.00

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SRAM Crankset Force 1x D2 DUB Wide

$305.00

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TRP EVO Alloy Cranks

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5DEV 7075 Classic Chainring

$99.00

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Microshift Advent Rear Deraileur 9 Speed Med No Clutch

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TRP EVO Carbon Cranks

$384.99

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Sram XS 1297 T Type Eagle Cassette

$605.00

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Sram XS 1299 T Type Eagle Cassette

$660.00

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Cane Creek HELLBENDER 70 T47i Bottom Bracket

From $124.99

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SRAM XXSL EAGLE TRANSMISSION AXS Groupset

$2,399.00

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Wolf Tooth DM Chainring for Shimano E-Bike Motor

$84.95

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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