Pro Grade Aluminum 42T Mountain Bike Crankset One Piece 170mm Arm 104 BCD Fits Single Speed And 6 To 11 Speed MTB Narrow Wide Chainring Lightweight 0.75kg Rust Resistant Purple
✔️ 170mm arm, 42T chainring, 104 BCD, aluminum, 0.75 kg
Designed as a lightweight, single-piece crankset built from aluminum alloy for mountain bikes and single-speed builds. It’s a solid choice for trail riders and daily commuters who want reliable power transfer.
✅ 42T chainring with 104 BCD enables future ring options
✅ 170 mm crank arm length (170 mm / 6.69 in) for balanced leverage
✅ Rust-resistant aluminum alloy keeps weight around 0.75 kg (1.65 lb)
✅ Narrow-wide design helps prevent chain drops on rough trails
💡 What is a 42T 170mm MTB crankset with 104 BCD used for and who should buy it? Handy upgrade for riders building or refreshing MTB or single-speed bikes.
- It supports 42T chainrings and 104 BCD for future ring options
- It uses a 170 mm crank arm for balanced leverage on trails
- It is made from aluminum alloy, offering rust resistance and light weight
- It fits 6-11 speed drivetrains with a wide range of gears