# CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar

The CAP Barbell RB-48T is a standard threaded curl bar designed for 1-inch weight plates. Its two listed grip positions and knurled grip support varied arm exercises, while the 200-pound stated capacity sets a clear loading limit.

- [Original product page](https://best-deals.pro/product/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [View offer](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- Market: US
- Language: en-US
- Currency: USD
- Brand: CAP Barbell
- Model: RB-48T
- Category: Sports & Outdoors &gt; Fitness & Exercise &gt; Weights & Strength Equipment
- Price: 27.71 USD
- Previous price: 32.60 USD
- Discount: 15%
- Price checked: 2026-11-14T06:56:35.885Z
- Rating: 4.5 / 5
- Reviews: 395

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Threaded ends and star lock collars are specified for securing plates.
- The listing describes two separate grip positions for biceps and triceps exercises.
- Knurled grip and chrome-finished steel construction are listed.

## Pros

- Two grip positions offer options for arm-focused movements.
- Threaded sleeves and star lock collars provide a stated way to secure compatible plates.
- The 1-inch plate fit is useful for buyers with standard-hole plates.

## Cons

- The stated 200-pound weight limit is lower than the higher capacities some buyers may need.

## Specifications

### Identity
- Brand: CAP Barbell
- Model: RB-48T
### Dimensions and installation
- Weight listed: 5.1 kg
- Plate compatibility: Fits 1 Standard Plate
- Grip size: 1 inch
- Mounting hole diameter: 1 inches
### Materials and protection
- Material listed: Alloy Steel
- Finish: Chrome
- Grip type: Knurled
### Capacity and construction
- Weight limit: 200 pounds
- Ends: Threaded Ends with Star Lock Collars
- Grip positions: Provides 2 separate grip positions to intensify the isolation and increase upper arm size in both the bicep and triceps muscles
### Package and warranty
- Warranty: 30-day manufacturer warranty

## Before you buy

- The listed weight is 5.1 kg and the stated maximum load is 200 pounds. Confirm both specifications suit your setup before purchase, and use compatible 1-inch-hole plates.

## In the box

- Standard Curl Bar (Included)

## A good fit for

- Buyers seeking a standard 1-inch plate curl bar for biceps and triceps work.
- Home-gym users who want threaded plate sleeves and multiple grip positions.

## Less suited to

- Buyers using 2-inch Olympic plates.
- Lifters who need a bar with a stated capacity above 200 pounds.

## Customer feedback

Customer feedback describes the bar positively for perceived quality, workout functionality, durability and its curved shape. Some users report missing collars, and feedback about tightness is mixed. Those concerns matter because the listing specifies threaded ends and star lock collars, so buyers should confirm the collars arrive and secure as expected. The reported experiences do not establish performance or durability for every user.
- Positive themes: Customers report positive impressions of quality and usefulness for workouts.
- Positive themes: The curved shape and the option for close and wide grips are appreciated by some customers.
- Positive themes: Some customers describe the bar as durable and useful for varied exercises.
- Negative themes: Some customers report missing collars.
- Mixed feedback: Feedback about tightness is mixed.

## Frequently asked questions

### What weight plates fit this curl bar?
The listing describes it as fitting standard plates with 1-inch center holes. It is not specified for 2-inch Olympic plates.
### What is the stated weight limit?
The listed limit is 200 pounds. Treat that as the product's stated maximum rather than a tested capacity.
### Does it have more than one grip position?
Yes. The listing describes two separate grip positions for arm exercises.

## Alternative options

- [Amazon Basics Olympic 2-Inch Curl Barbell Bar, 47 Inches, Chrome](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [Mikolo EZ Curl Bar, 2 Inch Olympic Curl Bar for Biceps and Triceps, 47” Curling Bar with Knurled Grip, 700LB Barbell Bar with Multi-Angle Wrist-Friendly Design](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [PC01 Preacher Curl Bench, Seated Arm Isolated Barbell Dumbbell Bicep Station, Adjus...](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [RitFit 2 Inch EZ Curl Bar Olympic Barbell with Weight Plates & Collar \| 4FT EZ Curl Bar Olympic Barbell with Collars for Bicep, Tricep Workout, Weightlifting, 350LBS Weight Capacity](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [Rage Fitness Olympic Training Barbell 6FT, 15lb Weight, 300LBS Capacity \| Strength Training Workout Bar, Weight bar for Squats, Deadlift, Weightlifting, Bench Press for Home & Gym Fitness Equipment](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [ZIVA Premium Kettlebell – Commercial Grade Rubber Urethane Coated Free Weights for Strength, Conditioning, Home Gym Workouts – Alloy Steel Grip – Available 5–50 lbs](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [47” Solid Steel Olympic Curl Bars, 700LB \| EZ and Super EZ curl bars with knurled g...](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [Bells of Steel EZ Curl Bar - Olympic 2" Sleeves, Bicep & Tricep Curl Bar \| 45" Heavy Duty Solid Steel Bars for Home Gym \| 500 lbs Capacity - Fits Standard Weight Plates](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [47" EZ Curl Bar Weight Lifting Bar, for Hip Thrusts/Squats/Lunges, 1" Weight Plates...](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [Mikolo Fixed Barbell, Pre-Loaded Weight Bar for Strength Training \| Solid Iron Core, PVC Coated, 1.2 mm Diamond Knurling, Pre-Loaded Design, 10–50 lb Weight Options](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [XMark CROWBAR Weight Bar, Olympic Barbell and Weight Plates](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)
- [Mikolo EZ Curl Bar, 2 Inch Olympic Curl Bar for Biceps and Triceps, 47” Curling Bar with Knurled Grip, 700LB Barbell Bar with Multi-Angle Wrist-Friendly Design](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)

## Add-ons

- [Cap Barbell Standard Threaded 34" Triceps Bar \| Multiple Options](https://best-deals.pro/visit/cap-barbell-rb-34t-standard-threaded-triceps-bar)
- [CAP Cast Iron Standard 1-Inch Weight Plates, Singles & Sets](https://best-deals.pro/visit/cap-barbell-rb-48t-standard-threaded-curl-bar)

## Images

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 1](https://best-deals.pro/i/2-p-3UZ0kQv0N3phRoBJ733LnVtYe4CSDCbPQbbZ_GYFAIgwSHhLCkgbZ0dfqR1dAz-33_L_sb3CbvX3r0oI7HA7sDtPpWwJ-bXTrFXVqMLzl7Eh6DtR89gZ.jpg)

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 2](https://best-deals.pro/i/XozJ9v1unS4BEwvOJ4wSyoNB7vpQ83HlbRtEDg5y3m0BNC_AYBtt2frKh2MkqQuYcst-mOLj-P8EWYiTvdxeV0eIPRYBvjxAuUYEcupF7Jzjklg9ZanDmTmT.jpg)

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 3](https://best-deals.pro/i/FOSFddA2pww1ixRE6-Q7l_bbEjncqE_6qQf1le_Bs9-6ltFIEqN5dWVEkZfGlqCK9fjmlc7HqdChpLwjN0wJsiaTzouu2o0AssMAgF6u1211BMWS-HMP7PPL.jpg)

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 4](https://best-deals.pro/i/tkVN7O9lXNnLMq7rmO2MbVJGzNNpl_r0Y4Qhgv4izuxZZLx8gEci8IDZfOjc1hEDG8HcyrSjTdNkg7_hDGN5GLefW19RaceMgFkfhrLfpzpjYW3Sh7cutWyo.jpg)

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 5](https://best-deals.pro/i/FOhvxVrehPMKRIU45p1q26EWdbSW78FFtrKcf39jGHADnQylJ0ixj3kiJqKwu7M2_nbKdPwWeQBqXkz8Gtp8P-c31q1LD44ZnKzwNRARnKeg_XMK0pBEyxGl.jpg)

![CAP Barbell RB-48T Standard 1-Inch Threaded Curl Bar — 6](https://best-deals.pro/i/Eg1DyCbDx5TUtUufC-QJyuomN-GuvhO48I4mAV5CCsu-r224uNuf0Qs-TevYPpWGgdD7ejZByBGcOskt5C3p3RtCYb3dj1HdJg6gD-k4BqR0HnNDpLCGst0V.jpg)
