Written and maintained by CASRAI Editorial Board
Last updated
General product information only, not medical advice. A physician or therapist decides which device and which settings suit a person.
Short answer
A rollator is a wheeled walking frame, and the parts that matter are the handgrips, hand brakes with a park lock, a locking folding frame, front and rear wheels, a seat, a backrest, and usually a bag or basket and a cane holder. Makers use different names and set different limits, so check the manual for the specific model.
Definition and scope
This page names the parts found on the rollators described in two manufacturer manuals (a Journey UPWalker Breeze manual and a NOVA Model 4328 user guide) and says what each part does. It does not cover how to walk with a rollator or how to use the brakes in daily life; see rollator uses for that.
The US FDA regulation for the broader device group, 21 CFR 890.3825, describes a mechanical walker as “a four-legged device with a metal frame intended for medical purposes” for people who lack strength, good balance or endurance. It classifies it as Class I (general controls) and exempt from 510(k) premarket notification, subject to the limits in 21 CFR 890.9 (eCFR version of 2026-10-01, read 2026-10-30). The regulation text does not mention wheels or define rollator parts, so the part names below come from the manuals, not from the regulation.
What each part does
Every row below is taken from the two manuals; names differ by maker (handgrip or handle, bag or basket).
| Part | What the manuals say it does | Manual note worth checking |
|---|---|---|
| Handgrips / handles | The user holds them; a push button raises or lowers them. | Journey: do not use the rollator unless the handgrips have locked into a height position, and set both to the same height. NOVA: check the push buttons and attachment screws with knobs are secure. |
| Hand brakes with park lock | Squeezing both brake levers together slows or stops the rollator; pushing a lever down locks it (“park”). | Journey: the brake system needs periodic adjustment (locking screw, nuts and cable). NOVA: brakes must be locked before the seat is used. |
| Frame and folding lock | The frame folds for storage and locks open for use. | NOVA: make sure the frame is fully opened and in a locked position before use. Journey: the front wheels unfold until they click and must lock securely. |
| Front wheels (swivel) and rear wheels | Let the frame roll; Journey lists swivel front wheels and soft solid wheels. | Journey: check that front wheels rotate freely and attach securely to the frame. |
| Seat | A seat for sitting down. | NOVA: intended for stationary seating only, with the brakes locked; it is not a wheelchair. |
| Backrest | Sits behind the user when seated. | NOVA: not designed to support the entire weight of the user, and it must always be attached when the rollator is in use. |
| Bag or basket | Carries belongings. | NOVA: 10 lb capacity, items not hanging over the top or front. Journey: do not use bags or baskets from other manufacturers. |
| Cane holder | Holds a cane on the frame. | Listed in both manuals. |
Types and related concepts: what are the different types of mobility walkers?
A rollator is one kind of walker: unlike a standard four-legged frame, the manuals describe wheels, hand brakes and a seat. For the full range of walker types and how they differ from canes and crutches, see what is a walker and the mobility aid guide on crutches, canes and ankle braces. This page does not set up its own type classification, because the sources read for it do not define one.
Where parts matter for clinics and supply decisions
The Journey manual includes a checklist for a rollator that is being reissued. Turned into a part-by-part inspection list, it reads:
- Frame tubes: bent or damaged tubes, or cracks at joints.
- Adjustment points: loose or worn horseshoe clips and elongated adjustment holes.
- Handles: loose handles.
- Wheels: loose or worn wheels and fasteners; the manual also says front wheels should rotate freely.
- Ferrules: smooth, worn or split ferrules.
- Routine checks: the manual suggests a daily visual check, and a monthly check that no components are loose, plus brake adjustment and castors. It says to replace all worn, missing or damaged parts.
Two further points come straight from the manuals. Limits are model-specific: both manuals state a 300 lb user weight limit, and NOVA states a 10 lb bag or basket capacity, but another model may differ. And Journey says not to fit parts or accessories made by another company, because that voids the warranty and may compromise safety. Cleaning guidance in the Journey manual is a damp cloth with mild detergent, with no abrasive or solvent cleaners.
Common misunderstandings
The backrest is not weight-bearing
NOVA states the backrest is not designed to support the user’s entire weight.
The seat is not for riding
NOVA describes the seat as for stationary sitting with the brakes locked.
All rollators are interchangeable
NOVA states rollators are not one size fits all, and handle height and seat height are adjusted to the user. Part names, weight limits and accessories differ between models.
FAQ
What are the main parts of a rollator?
Handgrips, hand brakes with a park lock, a locking folding frame, front and rear wheels, a seat, a backrest, a bag or basket and a cane holder, according to the Journey and NOVA manuals.
Are rollator parts and walker parts the same?
Not entirely. FDA describes the mechanical walker as a four-legged metal frame; the rollators in the two manuals add wheels, hand brakes, a seat and a backrest.
What are the different types of mobility walkers?
Rollators are the wheeled type with brakes and a seat. The what is a walker guide covers the broader group.
Can I swap in parts from another brand?
Journey says not to fit parts or accessories made by another company, as this voids the warranty and may compromise safety.
Sources
- Journey, UPWalker Breeze rollator product manual (manufacturer PDF), read 2026-10-30. Manual.
- NOVA, Rollator Model 4328 user guide (manufacturer PDF), read 2026-10-30. User guide.
- US FDA, 21 CFR 890.3825 Mechanical walker, eCFR version of 2026-10-01, read 2026-10-30. eCFR.
