165mm Crankset BCD104 Aluminium Alloy Square Hole Bike Crank Arms

This high-quality 165mm Crankset is crafted from lightweight yet strong aluminium alloy, making it ideal for both commuting and off-road cycling. With a 104mm BCD 4-arm design, it’s compatible with single or double chainrings (sold separately) and offers a secure, stable fit for efficient power transfer. Key Features Material: Aluminium alloy for strength and durability Crank length: 165mm BCD: 104mm – 4-arm mount Compatible with single and double chainrings Square hole bottom bracket interface Colour: Black Weight: Approx. 610g (pair) This crankset does not include a chain ring. If you require a chain ring to complete your setup we have a great range of tooth counts and colours which can be viewed here. Recommended Chainring Setups Single Chainring (1x setups): 30T, 32T, 34T, 36T 30T & 32T – Best for climbing, MTB trail/enduro, and bikepacking 34T – Balanced option for mixed terrain 36T – Ideal for flat terrain, gravel, and higher top speeds Double Chainring (2x setups): 36T / 22T – Common MTB XC setup for steep climbs 38T / 24T – Balanced climbing and speed 40T / 28T – Great for gravel/touring Benefits of this 165mm Crankset Arm Set Lightweight design reduces bike weight for easier pedalling. Strong alloy construction resists flex under load. Fits a wide range of MTB and road bikes with square taper BB. Common Questions Q: Does this crankset include a chainring? A: No, choose from our chainring range to suit your setup. Q: Is it suitable for a 68mm bottom bracket? A: Yes, if it’s square taper compatible. Summary The 165mm Crankset delivers reliable pedalling performance with a robust yet lightweight build. Perfect for upgrades or replacements on MTB, road, or commuter bikes using a square taper bottom bracket. The 104mm BCD design offers broad chainring compatibility, allowing riders to customise gearing for climbing, speed, or all-round versatility.