Updated: 16 Feb 2025

42t single chainring cranksets

Explore up to 15% Off

Updated: 16 Feb 2025

#1

Best Choice
BOLANY 170mm Bike Cranksets Gravel 96BCD Hollow Integrated 42T Single Speed Chainring Crankset with Bottom Bracket Fit for Off Road Gravel Bike Compatible with 10/11Speed

9.7

BOLANY

Read more

Main highlights

Specification: Gravel bike cranksets. Hollow Integrated with BB91 threaded bottom bracket.170mm Crank length. 96BCD. 42 Teeth Wide and narrow teeth design. fit gravel and road bike's crankset. 24mm shaft outer diameter.113mm shaft length. Compatible 10/11speed

Material: 7075-T6 Aluminum Alloy chainring and 130mm Crankset. Exquisite workmanship.Increased strength and rigidity.Chrome Molybdenum Steel shaft, Improve the stability of crank and hollow shaft. Vacuum Electrodeposition Coating (COVEC) not only improves surface durability, but also improves the gloss and thickness of the crank surface

170mm crank length:The best pedaling efficiency, best ergonomics, maximum power output, and the most suitable distance from the ground. It can provide faster and more stable endurance training. can meet the requirements of mountain racing and cyclists
#2

Value for Money
BOLANY Bike Cranksets Gravel 170mm Hollow Integrated 42T Single Chainring Direct Mount with Bottom Bracket Fit for Off Road Bike Crankset Compatible with 10/11speed (170mm-42T)

9.5

BOLANY

-15%

Read more

Main highlights

Vacuum Electrodeposition Coating (COVEC) enhances surface durability, gloss, and thickness, ensuring prolonged performance and visual appeal.

Specification: Features a Hollow Integrated design with a BB68 threaded bottom bracket, available in 170mm and 172.5mm Crank lengths with a 42Teeth configuration. Specifically designed for gravel and road bike applications, with a 24mm shaft outer diameter and compatibility with 10/11speed setups.

Material: Constructed from high-quality 7075-T6 aluminum alloy chainring paired with a 170mm/172.5mm Crankset for optimal performance. Meticulous craftsmanship ensures enhanced durability, strength, and rigidity. Equipped with a Chrome Molybdenum Steel shaft to bolster crank stability and integrity.

-15%
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
WEEROCK E Bike/Bike Crankset 1 Piece/Single 42T Chainring Crankset with Aluminium Alloy Double Chain Cover 170mm Arm for Single Speed and 6/7/8 Speeds Electric Bike,Bicycles, Folding Bicycle

9.4

WEEROCK

Read more

Main highlights

Suit for: E bike City bike and folding bicycle

Aluminiun Alloy Chain Covers and Cranks: Sufficient strength and lightweight to reduce the weight of the entire bicycle. The weight of the Crankset and arm is 0.95kg/2.09LB

42T Chainring: Steel material, high strength and durable.
#4
WEEROCK 42T Bike Crankset MTB Crankset Aluminium Alloy1 Single Chainring with170mm Arm 104BCD for Single Speed Bicycle and 6/7/8/9/10/11 Speeds MTB Bike

9.2

WEEROCK

Read more

Main highlights

Suitable for:42T bike crankset, 170mm arm, Single Speed Bicycles and 6/7/8/9/10/11 Speeds Bikes, MTB, Folding Bike, Hybrid Bike

Material: The material is 6061 aluminum alloy, which is sturdy, non rusting, the net weight is only 0.75kg（1.65lb)

Drop Stop Design:Narrow wide chainning could prevents chain drop from the chainring, it is the most advanced tooth profile on the Market, making your cycling safer
#5
WEEROCK Mountain Bike Crankset Aluminium Alloy 1 Piece/Single 42T Charing Crank Set with 170mm Arm 104 BCD, Compatible with Single Speed Bicycle and 6/7/8/9/10/11 Speeds MTB Bike, Golden

9.0

WEEROCK

Read more

Main highlights

Suitable for:42T bike crankset, 170mm arm, suits for single speed bicycle and 6/7/8/9/10/11 speeds MTB Bike, folding bicycle

Material: The material is aluminum alloy, which is sturdy, non rusting, the net weight is only 0.75kg（1.65lb)

Drop Stop Design:Narrow wide chainning could prevents chain drop from the chainring, it is the most advanced tooth profile on the Market, making your cycling safer
#6
BUCKLOS MTB Mountain Bike Single Speed Square Taper Crankset -170mm Cranksets Bicycle Crank Set with 104BCD 32/34/36/38/40/42T Round/Oval Chainring Fit for Ebike/Commuter Bike

8.9

BUCKLOS

Read more

Main highlights

Single Speed Only:Please note that these crank and chainring are only suitable for single speed bikes

Lightweight and Durable:Our 104 BCD ultralight mountain bike crankset weight about 609g and is made to last.Suitable for mountain bikes, commuter bikes, electric bikes, etc

Chainring:Choose from 32/34/36/38/40/42T, Round/Oval, Black/Red, and enjoy the narrow wide teeth chainring's 4mm thickness (Narrow teeth: 1.9mm, Wide teeth: 3.7mm), Weight: about 45g, fit Shimano, SRAM, FSA
#7
PETCHOR Square Taper Crankset MTB, Mountain Bike Single Speed Crankset, Bicycle Crank Arm Set 170mm 104BCD, 42T Chainring & Bolts, Black

8.7

PETCHOR

Read more

Main highlights

[Upgrade Design]Narrow wide teeth for better chain retention. Removable chainring, 3 pieces chainrings crankset design, easy to modify single speed crankset, dual crankset, triple crank set. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing

[High Quality]: High-strength aluminum alloy material, high strength, fine workmanship, improve strength and rigidity; the surface of the 42T square taper crankset is frosted and anodized, which effectively protects the aluminum alloy body and does not fade after long-term use

[Crankset Size]104BCD mountain bike crankset, crank arm length is 170mm, compatible with 104BCD round chainring and 9/16" pedals. We have 32T/34T/36T/38T/40T/42T round red chainring to meet your various needs.
#8
PETCHOR Square Taper Crankset MTB, Mountain Bike Single Speed Crankset, Bicycle Crank Arm Set 170mm 104BCD, 42T Chainring & Bolts, Red

8.5

PETCHOR

Read more

Main highlights

[Upgrade Design]Narrow wide teeth for better chain retention. Removable chainring, 3 pieces chainrings crankset design, easy to modify single speed crankset, dual crankset, triple crank set. Light weight design, adding no heaviness to you bike, make riding more comfortable and relaxing

[High Quality]: High-strength aluminum alloy material, high strength, fine workmanship, improve strength and rigidity; the surface of the 42T square taper crankset is frosted and anodized, which effectively protects the aluminum alloy body and does not fade after long-term use

[Crankset Size]104BCD mountain bike crankset, crank arm length is 170mm, compatible with 104BCD round chainring and 9/16" pedals. We have 32T/34T/36T/38T/40T/42T round red chainring to meet your various needs.
#9
Cyclon Single Speed Square Taper Crankset, 170mm Mountain Bike Crankset with 104BCD 32T/34T/36T/38T/40T/42T Narrow Wide Tooth Round Black Chainring, Replacement for Bicycle Crank Arm Set MTB Crankset

8.4

Cyclon

Read more

Main highlights

【High Grade Crankset】The surface of mtb crankset is frosted and anodized, and at the same time, the density of the aluminum alloy in the threaded part of the crank arm is increased, which effectively protects the crank and prolongs the use time.

【Crankset Size】High-quality aluminum alloy square taper crankset, crank arm length is 170mm, suitable for 104BCD single speed chainring and 9/16" pedals.

【BCD104 Chainring】The alternate design of narrow and wide teeth can effectively prevent the chain from falling off. 32T/34T/36T/38T/40T/42T round black chainring are available in a variety of options to meet various needs.
#10
Prowheel E Bike/ Bike Crankset 1 Piece/Single 48T/52T Steel Chainring with Double Chain Cover 170mm Aluminium Alloy Arm for Single Speed and 6/7/8 Speeds Electric Bike,Bicycles, Folding Bicycle

8.2

WEEROCK

Read more

Main highlights

Plastic Double Wall Chain Cover: Light weight, prevent the chain from slipping, protect the chain, and make it more aesthetically pleasing

Aluminiun Alloy Arms: 170MM length, aluminium alloy material, lightweight， strong strength, and will not rust.

48T Chainring: Steel material, high strength and durable

Discover top deals and categories on Amazon Check Deals

42t single chainring cranksets

BOLANY 170mm Bike Cranksets Gravel 96BCD Hollow Integrated 42T Single Speed Chainring Crankset with Bottom Bracket Fit for Off Road Gravel Bike Compatible with 10/11Speed

9.7

Main highlights

BOLANY Bike Cranksets Gravel 170mm Hollow Integrated 42T Single Chainring Direct Mount with Bottom Bracket Fit for Off Road Bike Crankset Compatible with 10/11speed (170mm-42T)

9.5

Main highlights

WEEROCK E Bike/Bike Crankset 1 Piece/Single 42T Chainring Crankset with Aluminium Alloy Double Chain Cover 170mm Arm for Single Speed and 6/7/8 Speeds Electric Bike,Bicycles, Folding Bicycle

9.4

Main highlights

WEEROCK 42T Bike Crankset MTB Crankset Aluminium Alloy1 Single Chainring with170mm Arm 104BCD for Single Speed Bicycle and 6/7/8/9/10/11 Speeds MTB Bike

9.2

Main highlights

WEEROCK Mountain Bike Crankset Aluminium Alloy 1 Piece/Single 42T Charing Crank Set with 170mm Arm 104 BCD, Compatible with Single Speed Bicycle and 6/7/8/9/10/11 Speeds MTB Bike, Golden

9.0

Main highlights

BUCKLOS MTB Mountain Bike Single Speed Square Taper Crankset -170mm Cranksets Bicycle Crank Set with 104BCD 32/34/36/38/40/42T Round/Oval Chainring Fit for Ebike/Commuter Bike

8.9

Main highlights

PETCHOR Square Taper Crankset MTB, Mountain Bike Single Speed Crankset, Bicycle Crank Arm Set 170mm 104BCD, 42T Chainring & Bolts, Black

8.7

Main highlights

PETCHOR Square Taper Crankset MTB, Mountain Bike Single Speed Crankset, Bicycle Crank Arm Set 170mm 104BCD, 42T Chainring & Bolts, Red

8.5

Main highlights

Cyclon Single Speed Square Taper Crankset, 170mm Mountain Bike Crankset with 104BCD 32T/34T/36T/38T/40T/42T Narrow Wide Tooth Round Black Chainring, Replacement for Bicycle Crank Arm Set MTB Crankset

8.4

Main highlights

Prowheel E Bike/ Bike Crankset 1 Piece/Single 48T/52T Steel Chainring with Double Chain Cover 170mm Aluminium Alloy Arm for Single Speed and 6/7/8 Speeds Electric Bike,Bicycles, Folding Bicycle

8.2

Main highlights

Similar products on Amazon

BOLANY MTB 170mm Square Taper Crankset 104BCD Narrow Wide Tooth Chainring with 32T/34T/36T /38T/40T/42T Mountain Bike Single Round Chainring and Crankset (36T)

ZUKKA Single Speed Square Taper Crankset MTB 170mm Mountain Bike Chainring Crankset with 104BCD 38T/42T Narrow Wide Tooth Round Black Chainring for Bicycle Crank Arm Set MTB Crankset

LAIJIANG Single Speed Crankset 170mm Square Taper Crankset 38T Chainring Easy to Replacement Crank Arm Set with Tool for Single Speed Bicycle

Tbest Chainring, BCD 104MM 40T 42T Narrow Wide Single Chain Ring Chainrings Compatible with Most Crankset AM/ (40T（104BCD）)

DONSP1986 52T/42T x 170mm Crankset for Mountain Road Bike Fixed Gear Bicycle (52T/42T Chainring)

WEEROCK E-Bike/Bicycle Crankset 1 PSC 48T Steel Charing, Alumininum Alloy Single Cover and 170mm Arm Crank Set, Compatible with Single Speed Bicycle and 6/7/8/9 Speeds Bicycles, MTB, Road Bike, Black

GANOPPER Mountain Bike Cranksets 1X 38T Single Speed Narrow Wide Chain Ring Crankset for MTB BMX Road Bike

DRIFT MANIAC Bike Crankset 42T 130BCD 170mm Crank Arm Set Square Taper for City Folding Bicycle

DECKAS Round Chainring 104BCD 40T 42T 44T 46T 48T 50T 52T Narrow Wide Chainring for 7 8 9 10 11 12 Speed Chains (Round Red, 42T)

GANOPPER 38T Mountain Bike Crank Set Single Speed Crankset 104BCD 170mm 38 Tooth Narrow Wide Chainring MTB Crank Arm

More products you might like

Sign up and get exclusive special deals