Drivetrain Mountain Bike Reviews


The drivetrain is a fundamental part of every mountain bike, since it's the part of the bike that provides all of the power. The drivetrain turns the rear wheel, thus propelling the rider forward. There are two primary types of mountain bike drivetrain-- singlespeed and geared--but there are many variations on those two different types of drivetrains.

Singlespeed drivetrains only have one speed. Most singlespeed setups feature a chain and reinforced metal gears, but some singlespeed bikes utilize a belt drive system, such as the Gates Carbon Drive. A carbon belt tends to last much longer and require less maintenance than a chain, but a belt drive system requires a separation in the rear triangle to lace the belt through the frame.

Geared drivetrains come in all different shapes and sizes. Historically, most drivetrains have been either 3x7, 3x8, or 3x9. Some people would convert their drivetrains to 1-by systems, turning them into setups such as a 1x9. Nowadays, however, most drivetrains are 10-speed systems. While there are 3x10 drivetrains around, many 10-speed drivetrains are 2x10 systems, which eliminate the hassle of cross chaining. Both Shimano and SRAM sell 2x10 drivetrains. While some people have converted to a 1x10 system, SRAM's dedicated 1x11 drivetrain system has taken the mountain biking industry by storm. By dedicating their 11-speed system to a 1-by setup, SRAM has been able to provide numerous advantages, such as eliminating chain drops and chain slap (thanks in part to clutch-style derailleurs), reduced complexity, and reduced weight.

Key mountain bike drivetrain components generally include a rear derailleur, a front derailleur, cranks and chain rings (also known as a crankset), a cassette, shifters, and a chain. Other drivetrain components include derailleur cables, bashguard, bottom brackets, a chain guide, a chain stay guard, and geared hubs.

Product NamePriceRating
16t cog
* No Front Derailleur
Ashima fdv
Avid Rollamajig
BBG Bashguard 12.00
Bionicon C.Guide V.02
Blackspire C4 Super God Bash Guard 34.00
Blackspire Stinger 35.00
Blackspire Super Pro Chainring Set 125.00
Bontrager Earl 110.00
Chris King Bottom Bracket
Chris King Stainless Steel 18t
cSixx 150gm 200.00
cSixx Chainstay Protector 24.00
cSixx XC Guide 180.00
Cutter 9-Speed Chain 40.00
Diamondback Diamondback Sealed Cartridge
e*thirteen 32 Special
e*thirteen Downhill 300.00
e*thirteen Guidering 32 tooth 50.00
e*thirteen LG1
e*thirteen LG1+
e*thirteen LS1 FS 85.00
e*thirteen Outer Ring Bolt Set 20.00
e*thirteen SRS+
e*thirteen STS
e*thirteen SuperCharger
e*thirteen Turbocharger
e*thirteen XCX 50.00
e*thirteen XCX Single Speed 300.00
e*thirteen XCX Triple 320.00
Enduro Outboard Bottom Bracket
FSA Alpha Drive
FSA BB-7420ST Cartridge
FSA Dyna Drive JIS
FSA Gravity
FSA K-Force Light Megaexo
FSA Moto X 149.95
FSA Platinum Pro T1
FSA Powerdrive 47.87
FSA V-Drive 300.00
Gamut Dual Ring Chain Guide 140.00
Gamut P20 139.99
Generic Chain
Gore RideOn Sealed Derailleur Cables 54.95
Hope Bottom Bracket
Jagwire Hyper DIY Derailleur Cable Kit 15.83
Jagwire Ripcord Derailleur Kits
KMC 9-Speed 29.99
KMC Missing Link 10 speed
KMC Missing Link 9 speed 10.19
KMC X10 Light
KMC X10 SL 60.00
KMC X10.93
KMC X9.93 20.00
KMC X9.99 40.00
KMC X9SL-TI 9 Speed
KMC Z-99
Lizard Skins Jumbo Chain Stay Guard 7.99
MRP 1.X Guide 100.00
MRP AMG 105.00
MRP Bling Ring Chain Ring 69.95
MRP G2 150.00
MRP G3 150.00
MRP Micro
MRP Mini G2
MRP XCG 35.00
Nashbar 9spd trigger
Nashbar Mountain Bike Bashguard 14.99
None N/A
North Shore Billet Precision CNC Machined Derailleur Hangers
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