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Free UK Shipping Over £50 & Easy Returns



Free UK standard shipping on orders over £50
Experience seamless gear transitions with the Sunrace TSM21 R8 Twistshift 8Sp MTB Shifters, expertly designed to elevate your mountain biking performance. These shifters combine precision engineering with durable materials to ensure smooth and accurate shifts across eight speeds, allowing you to maintain full control on any terrain. Crafted by SunRace, a trusted name in cycling components, they bring reliability and ease of use right to your handlebars.
The ergonomic twist-shift mechanism offers intuitive operation, making gear changes effortless even during intense off-road rides. Their robust construction withstands the toughest trail conditions, delivering consistent performance ride after ride. Compatible with a wide variety of MTB drivetrains, the TSM21 R8 shifters integrate easily into your setup, whether upgrading or building a new bike from scratch.
By enhancing shifting precision and responsiveness, these shifters contribute significantly to a smoother, more enjoyable ride. Designed for cyclists who demand dependability and quality, the Sunrace TSM21 R8 is a smart choice for improving your bike’s transmission system and overall riding experience.
Are these shifters compatible with all mountain bikes?
The Sunrace TSM21 R8 shifters are compatible with most 8-speed MTB drivetrains, but it’s important to ensure your transmission system matches the specifications for optimal performance.
How easy is the installation process?
Installation is straightforward and can be done with basic bike maintenance tools. The shifters are designed for easy integration, making them suitable for both upgrades and new builds.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
