NaLsa Single Speed Crankset (Crankarms,Single Tooth Disc, Shaft) GOLDIX-RD Crank Arm Set Is 110mm/127mm/140mm/150mm/155mm/160mm For City Folding Bicycle (Color : 30t, Size : 155mm)

• 【Lightweight&MATERIAL】This crank arm set weight about 550g Made of high carbon steel and is made to last,Choose from 32/34/36/38/40/42T, Complete one set including right crankarm and Single Tooth Disc
• 【Practical Square Taper Crankset】The crank interior adopts a weight-reducing design,With smooth surface, it is easy to clean and maintain,they feature better resistance to corrosion and wear, effectively serving you for a long time
• 【New Design】Our crankset Burly and lightweight forged design, adding no heaviness to you bike, make riding more comfortable and relaxing, prefect for daily commuting.
• 【Wide Application】Square Taper Crankset suitable for ultimate strength and reliability,These are intended to be used on single speed Track Road Bike, Fixed Gear Bicycle mountain bikes, commuter bikes, etc.
• 【Service Guarantee】Please note that,Our ultralight mountain bike crankset crank and chainring are only suitable for single speed bikes,If you have any questions or concerns, please don't hesitate to contact us.

The crankshaft is a part of the bicycle that connects the crankshaft and the crank,The special design of the tooth profile makes it easier for the chain to change gears,Secondly, due to the concave-convex design, the chain has extra space, so the driving speed can be smoother. Material: Aluminium alloy 6061 Model：GOLDIX-RD Crank length: 110/127/140/150/155/160mm Thickness:14.5mm Chain ring:28t 30t 32t 34t 36t Offset:3degree Shaft diameter:24mm Shaft material: chrome molybdenum steel Crank screw specification:m15 Surface treatment: anodised Pedal: m14 Speed support: 7s-12s Mountain bike crankset Mountain bike hollow integrated chainring, cost-effective, integrated crank axle design, high strength, more labor-saving riding, faster acceleration. Advantages of hollow integrated chainring for mountain bikes: Material: High-carbon steel material and Rust proof plating is used to make the chain ring firm, reliable and durable Packaging includes 1 x Single Speed Chainring 1 x Crankarms 1 x central axis