- For more than 100 years Thun has been producing and distributing components for bicycles. The family business particularly focuses on transmission parts such as bb-sets and sensor technology for e-bikes. With highly efficient processing, Thun produces more than 50,000 units per day. Thun is distributed worldwide and has become one of the world's market leaders due to its superior technology. These universal bottom brackets are designed to fit most makes including Brompton. Suitable for a range of cycling disciplines like City, Trekking or Mountain biking. A carbon composite is implemented into these, meaning no grease is needed to attach to your frame, and will work exactly how you want it to. Perfect for frames with damaged threads, these bottom brackets attach with ease. Thun recommends NOT greasing the bottom bracket as this could swell the plastic and cause issues. **Technical Attributes** * Material: Cold forged and Zinc coated steel spindle * Carbon composite: Sleeves and cups * Sealed bearings * Cups compatible with PEDRO's key * Square tapered * **Spindle length: TH004 - 120mm** * Weight: 265gSKU: TH004
Delivery
We want to make sure you choose the right product so if you are not sure about anything or want further information or advice on what to buy, please chat to us first. Your usual statutory consumer rights apply on all goods, you can send them back if in an original condition within 30 days for a full refund. All returns must be paid for by the customer unless it is a genuine error of Bike Boom or a warranty issue. Some card issuers take days to put the money back into your account and Paypal can take up to a month.
Expect your delivery to arrive between 3-5 days and possibly a bit longer for bicycles. You should receive tracking information as soon as your order is fulfilled. We use many different couriers depending on the size, weight and value of the goods being sent. We may decide to send your order in separate packages and at separate times to get those items out to you quicker. We are only a small company and can be easily overwhelmed so please be patient if we haven't met our delivery target. We are human beings so give us a call on the telephone to get an update on your delivery if things are delayed 01273 905920, we are here to help.
Returns
We want to make sure you choose the right product so if you are not sure about anything or want further information or advice on what to buy, please chat to us first. Your usual statutory consumer rights apply on all goods, you can send them back if in an original condition within 30 days for a full refund. All returns must be paid for by the customer unless it is a genuine error of Bike Boom or a warranty issue. Some card issuers take days to put the money back into your account and Paypal can take up to a month!