Thun Cottered 48T Single Speed Chainwheel Set – Chrome 170mm Crank Arms | Vintage Bike

The Thun Cottered 48 Teeth Chainwheel Set is a classic chrome-finished crankset designed for vintage, single speed and traditional road bikes. Featuring 170mm cottered crank arms and a 1/8″ chain compatibility, it offers smooth power transfer with timeless styling. Ideal for restorations and classic cycling builds, this durable steel chainset combines German engineering with period-correct aesthetics.

Ideal For

• Vintage bicycle restorations
• Single speed road bikes
• Classic touring and city bikes
• Retro cycling enthusiasts

FAQ

Q1: Is this chainwheel suitable for vintage bicycles?
Yes, it is designed specifically for classic and vintage bike restorations.

Q2: What chain size does this chainwheel support?
It supports standard 1/8 inch chains, ideal for single speed bikes.

Q3: Are the crank arms cottered?
Yes, this is a traditional cottered crankset.

Q4: What is the crank arm length?
The crank arms measure 170mm, suitable for most adult riders.

Q5: Does it come in a chrome finish?
Yes, it features a polished chrome finish for durability and style.