--- product_id: 160457045 title: "SelectTech 840 Adjustable Kettlebell" brand: "bowflex" price: "£199.95" currency: GBP in_stock: true reviews_count: 13 category: "Bowflex" url: https://www.desertcart.co.uk/products/160457045-selecttech-840-adjustable-kettlebell store_origin: GB region: United Kingdom --- # 2-month JRNY app trial Replaces 6 kettlebells Adjustable 8-40 lbs dial SelectTech 840 Adjustable Kettlebell **Brand:** bowflex **Price:** £199.95 **Availability:** ✅ In Stock ## Summary > 🔥 Dial in your fitness, dial out the clutter! ⚙️ ## Quick Answers - **What is this?** SelectTech 840 Adjustable Kettlebell by bowflex - **How much does it cost?** £199.95 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/160457045-selecttech-840-adjustable-kettlebell) ## Best For - bowflex enthusiasts ## Why This Product - Trusted bowflex brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dial Up Your Power:** Seamlessly switch weights from 8 to 40 lbs with a simple turn—no interruptions, just gains. - • **Space-Smart Strength:** Replace six bulky kettlebells with one sleek, compact design that fits anywhere. - • **Built to Last & Perform:** Ergonomic handle and solid composite build ensure stability and comfort for every rep. - • **Train Anywhere, Anytime:** Unlock 2 months free JRNY membership for adaptive workouts on your phone or tablet. - • **Total-Body Transformation:** Perfect for swings, rows, squats, and twists—build muscle and burn fat in one device. ## Overview The Bowflex SelectTech 840 Adjustable Kettlebell offers a versatile 8 to 40 lbs weight range with a quick-turn dial, replacing six kettlebells in one space-saving design. Paired with a 2-month free trial of the JRNY mobile app, it delivers adaptive, trainer-led workouts for strength and cardio at home or on the go. Engineered with an ergonomic handle and durable composite materials, it’s perfect for professional millennials seeking efficient, effective full-body training without the gym hassle. ## Description Swing into action with the Bowflex SelectTech 840 Kettlebell, the adjustable kettlebell that provides 6 different weights in one compact design! Save space by selecting the weight you want with the turn of a dial, allowing you to achieve total-body results from the comfort of home. Our JRNY Mobile-Only Membership with Motion Tracking is ideal for strength training at home or on the go; try it free for 2 months from your phone or tablet. With the 840 Kettlebell, you'll combine cardio and strength in one quick, effective workout, helping you build muscle, burn fat, and boost confidence. *JRNY subscription required. This offer’s availability is subject to change without notice. At end of free trial, JRNY membership automatically renews at membership rates until canceled. ## Features - TURN OF A DIAL: With the turn of a dial, you can easily adjust from 8 to 40 lbs., rapidly switch from one exercise to the next, and perform a wide variety of full-body exercises. - SPACE EFFICIENT: Replaces up to 6 kettlebell with weights at 8, 12, 20, 25, 35, and 40 lbs. - 2-MONTH FREE TRIAL: Try our JRNY All-Access Membership for 2 months, free. - JRNY MOBILE-ONLY MEMBERSHIP: Workout at home or on the go with inspiring trainers, and just-for-you adaptive workouts, from your phone or tablet. - WIDE WEIGHT RANGE: Offers a variety of workouts, including swings, rows, squats, twists and more. - SPACE-SAVING DESIGN: Ensures a quality workout from nearly any room in your home. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07X64MXBS | | Best Sellers Rank | #3,962 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #12 in Strength Training Kettlebells | | Brand | Bowflex | | Brand Name | Bowflex | | Color | Black | | Customer Reviews | 4.8 out of 5 stars 7,631 Reviews | | EU Spare Part Availability Duration | 5 Years | | Global Trade Identification Number | 00708447912961 | | Handle Diameter | 28 millimeters | | Handle Material | Plastic | | Included Components | Kettlebell | | Item Dimensions L x W | 8.82"L x 7.01"W | | Item Type Name | Bowflex SelectTech 840 Kettlebell | | Item Weight | 40 Pounds | | Manufacturer | Johnson Health Tech Trading | | Material | Composite | | Model Number | 100790 | | Number of Items | 1 | | Number of Pieces | 1 | | Other Special Features of the Product | Adjustable, Ergonomic | | Part Number | 100790 | | Product Dimensions | 8.82"L x 7.01"W | | Special Feature | Adjustable, Ergonomic | | Style | Bowflex Kettlebell 8-40lbs | | Target Use Body Part | Shoulder | | UPC | 708447912961 | | Unit Count | 1.0 Count | | Warranty Description | 2 years | ## Product Details - **Brand:** Bowflex - **Color:** Black - **Item Weight:** 40 Pounds - **Material:** Composite - **Product Dimensions:** 8.8"L x 7"W x 12.5"H ## Images ![SelectTech 840 Adjustable Kettlebell - Image 1](https://m.media-amazon.com/images/I/61GhgyYpcRL.jpg) ![SelectTech 840 Adjustable Kettlebell - Image 2](https://m.media-amazon.com/images/I/71Gz26nOM4L.jpg) ![SelectTech 840 Adjustable Kettlebell - Image 3](https://m.media-amazon.com/images/I/71JMWOvcm1L.jpg) ![SelectTech 840 Adjustable Kettlebell - Image 4](https://m.media-amazon.com/images/I/71uW-UnVaqL.jpg) ![SelectTech 840 Adjustable Kettlebell - Image 5](https://m.media-amazon.com/images/I/71nIj9KA24L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by R***S on March 7, 2026* ### ⭐⭐⭐⭐⭐ Review *by A***M on November 19, 2025* ### ⭐⭐⭐⭐⭐ Review *by V***7 on April 30, 2026* ## Frequently Bought Together - BowFlex SelectTech 840 Adjustable Kettlebell - Bowflex SelectTech 552 Adjustable Dumbbells - ProsourceFit Puzzle Exercise Mat ½ in, EVA Interlocking Foam Floor Tiles for Home Gym, Mat for Home Workout Equipment, Floor Padding for Kids, Cream, 24 in x 24 in x ½ in, 24 Sq Ft - 6 Tiles --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/160457045-selecttech-840-adjustable-kettlebell](https://www.desertcart.co.uk/products/160457045-selecttech-840-adjustable-kettlebell) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*