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Description
The Trek Internal Seat Mast Cap is designed to fit 2020 Domane MkIII models. It has a choice of 5mm or 20mm offset and is incredibly light, constructed from premium carbon fibre. The range of colours means you can match it perfectly with your bike.
Please note, the saddle clamp ears (7mm round and 10mm oval ears are sold separately), images are for the representation of the colourway only.
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Important Update for Our US Customers
We regret to inform you that due to ongoing challenges related to current US tariffs, shopping on Sigma Sports is temporarily unavailable for customers based in the United States.
We understand how disappointing this may be and sincerely apologize for any inconvenience caused. Please rest assured that we are actively exploring solutions to resume service and find the best way to support our US community.
We appreciate your patience and understanding during this time, and we look forward to welcoming you back as soon as possible.
If you require any further assistance, please reach out to the customer services team
— The Sigma Sports Team