# Tube Reducer Sleeve

Full listing title: Rectangular Tube Reducer Sleeve Fitness Equipment Tube Adapter Black Pipe Interlining Sleeve

- SKU: DCD-10001528198
- Price: 10.79 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 12-22 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-13 to 2026-10-23
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Fitness & Sports (Sporting Goods)
- Condition: new; brand: SuntekStore
- Package size: 13 x 8 x 5 cm (5.1 x 3.1 x 2.0 in)
- Weight: 0.02 kg (0.04 lb)
- Material: Plastic

## Description

Material: Constructed from black, this tube reducer is a lightweight yet sturdy tube fitting designed for reliable performance in indoor fitness equipment assembly and adjustment tasks.
Function: Serves as a rectangular tube adapter that connects a 60x40 × 40 mm rectangular tube to a 50 × 30 mm rectangular tube, enabling smooth size transition between two different tube profiles during equipment setup or fix
Design: Features a hollow open rectangular construction with a rounded raised rim, side elongated slots, and central raised tabs on front and rear faces, making this rectangular tube reducer sleeve easy to position and secure during fitting.
Dimensions molded with marked outer dimensions including approximately 59.8 mm and 51.6 mm across the larger opening, 39.7 mm and 32 mm in height, and 5.3 mm and 9.5 mm raised features for a snug, accurate tube fitting connection.
Application: Acts as a fitness equipment tube adapter ideal for indoor fitness-equipment tube assembly and adjustment, providing a neat, low-profile connection that supports stable and practical equipment modification or fix

This black rectangular tube reducer sleeve is a practical and reliable component for anyone assembling, repairing, or adjusting indoor fitness equipment. Constructed from black, this tube reducer functions as a lightweight yet sturdy tube fitting that holds up to regular use in home gym setups and light commercial fitness environments. Its build ensures it resists everyday wear while remaining easy to handle and install during equipment modification projects. Designed as a rectangular tube adapter, the sleeve connects a 60x40 × 40 mm rectangular tube to a 50 × 30 mm rectangular tube, creating a smooth and secure size transition between two different tube profiles. Whether you are building a new weight rack, adjusting a pull-up bar, or modifying a storage system, this adapter simplifies the process of joining mismatched tube sizes without the need for custom cutting or complex fabrication. The thoughtful design of this rectangular tube reducer sleeve includes a hollow open rectangular structure, a rounded raised rim, elongated slots along the sides, and central raised tabs on both the front and rear faces. These features work together to make alignment and installation straightforward: the slots help with positioning and fine-tuning, while the raised tabs provide reference points for a consistent, secure fit every time you assemble or adjust your equipment. Precision-molded dimensions ensure a snug and accurate connection. The larger opening measures approximately 59.8 mm and 51.6 mm across, with heights of 39.7 mm and 32 mm, while other outer sections measure 55 mm and 47.5 mm across, plus a 35.7 mm section and 5.3 mm and 9.5 mm raised features. These meticulously calibrated dimensions mean the sleeve fits closely with compatible tubes, reducing wobble and creating a stable joint you can count on during workouts. As a dedicated fitness equipment tube adapter, this sleeve is specifically intended for indoor fitness-equipment tube assembly and adjustment. It delivers a neat, low-profile connection that keeps your equipment looking clean while maintaining build quality for regular use. Whether you are a home gym enthusiast tweaking your setup or a hobbyist building custom training equipment, this reducer sleeve is a practical, easy-to-use solution for joining rectangular tubes of different sizes.

Option: Black

## How to buy

Open https://suntekstore.com/buy/DCD-10001528198?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001528198/
- JSON: https://suntekstore.com/products/DCD-10001528198.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/ff/fff7a47f59ca86ec862d6b097c8d16cc155ff688.jpg
- Store policies: https://suntekstore.com/llms.txt