Ride together
Share the trail, the views and every exciting moment side by side.
Gromseat
Gromseat
Regular price
$179.99
Sale price
$179.99
Regular price
Unit price
per
Bring your little rider closer and turn every trail into a shared family adventure with CubTrail.
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Gromseat
Regular price
$179.99
Sale price
$179.99
Regular price
Unit price
per
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What riders are saying
LITTLE RIDERS. BIG TRAILS.
Share the fresh air, the laughter and every turn in the trail. With CubTrail, every ride becomes a family memory you’ll treasure.
Shop nowWhy choose CubTrail?
Every ride is better together
Designed to bring parents and little riders closer on everyday journeys and unforgettable outdoor adventures.
Comfortable riding position
A thoughtful setup helps your little rider settle in and enjoy every journey.
Quick installation
Spend less time setting up and more time exploring together.
Made for family adventures
From easy weekend rides to bigger trails, every outing becomes a shared memory.
Find your ride
Choose Your CubTrail Model
From the adaptable Pro EVO to the complete Duo bundle and the original front-mounted seat, choose the CubTrail setup that fits your next family adventure.
CubTrail Pro EVO
A convertible 2-in-1 setup that adapts from a harnessed seat for younger riders to an open Pro seat as your child grows.
Key difference
A 2-in-1 seat with Pro handlebars, quick-release fitting and regular or electric MTB compatibility.
Most Popular
CubTrail Duo
Get the front-mounted child seat and dedicated handlebars together in one complete family-riding setup.
Key difference
The complete seat and handlebar bundle.
CubTrail Original Seat
Bring your little rider up front with an adjustable, frame-mounted MTB seat designed for shared trail adventures.
Key difference
The essential front-mounted child seat.
Compare the models
Find your perfect CubTrail setup
Compare the adaptable Pro EVO, the complete Duo bundle and the Original Seat to find the right setup for your next family adventure.
| Specification | CubTrail Pro EVO Variant: Pro EVO | Most popular CubTrail Duo Variant: Original Seat Combo | CubTrail Original Seat Variant: Original Seat |
|---|---|---|---|
| Product type | 2-in-1 convertible child seat and handlebar bundle | Seat and handlebar bundle | Front-mounted child seat |
| Recommended age | 9 months–5 years | 2–5 years | 2–5 years |
| Weight limit | 20–60 lb / 9–27 kg, depending on seat mode | Up to 48 lb / 22 kg | Up to 48 lb / 22 kg |
| Mounting system | Quick-release headset and seat-post mount with zero frame contact | Frame-mounted seat and handlebar mount | Frame-mounted seat |
| Handlebar included | Yes—Pro handlebars | Yes | No |
| Bike compatibility | Most modern regular and electric MTBs with front suspension, a standard 1⅛-inch steerer, 10 mm clearance below the stem and 14 mm available seat-post space | Most modern regular adult mountain bikes | Most modern regular adult mountain bikes |
| Installation method | Quick-release fitting; approximately 15 seconds after initial setup | Allen-key fitting for the seat and handlebars | Allen-key fitting; approximately 3–4 minutes |
CubTrail Pro EVO Variant: Pro EVO
- Product type
- 2-in-1 convertible child seat and handlebar bundle
- Recommended age
- 9 months–5 years
- Weight limit
- 20–60 lb / 9–27 kg, depending on seat mode
- Mounting system
- Quick-release headset and seat-post mount with zero frame contact
- Handlebar included
- Yes—Pro handlebars
- Bike compatibility
- Most modern regular and electric MTBs with front suspension, a standard 1⅛-inch steerer, 10 mm clearance below the stem and 14 mm available seat-post space
- Installation method
- Quick-release fitting; approximately 15 seconds after initial setup
Most popular CubTrail Duo Variant: Original Seat Combo
- Product type
- Seat and handlebar bundle
- Recommended age
- 2–5 years
- Weight limit
- Up to 48 lb / 22 kg
- Mounting system
- Frame-mounted seat and handlebar mount
- Handlebar included
- Yes
- Bike compatibility
- Most modern regular adult mountain bikes
- Installation method
- Allen-key fitting for the seat and handlebars
CubTrail Original Seat Variant: Original Seat
- Product type
- Front-mounted child seat
- Recommended age
- 2–5 years
- Weight limit
- Up to 48 lb / 22 kg
- Mounting system
- Frame-mounted seat
- Handlebar included
- No
- Bike compatibility
- Most modern regular adult mountain bikes
- Installation method
- Allen-key fitting; approximately 3–4 minutes
Specifications apply to the configurations shown. Always confirm child and bike compatibility before ordering.
Product details
Technical Specifications
Review the specifications for each CubTrail model before choosing your setup.
CubTrail Pro EVO Pro EVO View specifications
Please note: CubTrail Pro EVO is a convertible 2-in-1 child seat that changes from a harnessed seat for younger riders to an open Pro seat as the child grows.
- Materials
- Aluminium components with rubber outer protection and gel-padded seating.
- Product dimensions
- 35.1 × 34.8 × 9.1 cm
- Product weight
- 2.8 kg / 6.17 lb
- Child age & weight range
-
- Harnessed mode: approximately 9 months–2 years; 20–33 lb / 9–15 kg
- Pro mode: approximately 2–5 years; 27–60 lb / 12–27 kg
- Overall recommended range: approximately 9 months–5 years
Adjustment range
- Convertible 2-in-1 seat configuration
- Harnessed mode for younger riders
- Open Pro mode for older riders
- Adjustable leg width
- Adjustable saddle position
- Extendable legs
- 12 footrest-height positions
- Pro handlebars fit 31.8 mm handlebars
- Pro handlebars fit 35 mm handlebars
- Pro handlebars fit stems up to 60 mm wide
- Suitable for flat or riser handlebars with a standard round profile
Bike requirements
- Compatible with most modern regular mountain bikes
- Compatible with most modern electric mountain bikes
- Front suspension required
- Standard 1⅛-inch steerer required
- At least 10 mm of clearance below the stem required
- At least 14 mm of available seat-post space required
- Mounts to the headset and seat post with zero frame contact
- Adapters for integrated headset cable routing may be required and are sold separately
- Adapters for proprietary systems such as Trek Knock Block or Scott Syncros may be required and are sold separately
- Not recommended for road bikes, beach cruisers or bicycles without front suspension
Box contents
- 1 × CubTrail Pro EVO convertible child seat
- 1 × Pro child handlebar attachment
- Harnessed-seat components
- Headset and seat-post mounting components
- 2 × headset spacers
- Installation tools
- Quick-start guide
CubTrail Duo Original Seat Combo View specifications
- Materials
- Original Seat materials, including aluminium components, polyurethane and memory-foam padding, moulded rubber frame protection, plus child handlebars with rubber grips.
- Product dimensions
- Not specified by supplier.
- Product weight
- Not specified by supplier.
- Child age & weight range
- Recommended for children aged 2–5 years, up to 48 lb / 22 kg.
Adjustment range
Seat adjustment
- Adjustable seat width
- Adjustable leg angle
- Adjustable saddle position
- Fixed leg length
- Fixed footrest height
- Fits top tubes measuring 30–68 mm wide
- Fits down tubes measuring 30–100 mm wide
- Maximum distance between the upper and lower frame tubes at the mounting position: 210 mm
Handlebar fitting range
- Fits 25.4 mm handlebars
- Fits 31.8 mm handlebars
- Fits 35 mm handlebars
- Fits stems up to 75 mm wide
- Suitable for flat or riser handlebars
Bike requirements
- Modern regular, non-electric mountain bike
- Front suspension required
- Compatible with single- or dual-suspension mountain bikes
- Compatible with steep, sloping or tapered top tubes
- Suitable for carbon or alloy frames when fitted according to the instructions
- Handlebar diameter must be 25.4, 31.8 or 35 mm
- Stem must not exceed 75 mm wide
- Not compatible with electric bikes
- Not designed for road, gravel, cruiser, step-through or single-tube frames
Box contents
- 1 × CubTrail Original front-mounted child seat
- 1 × child handlebar attachment
- Seat legs and footrests
- Frame-mounting components
- Handlebar-mounting components
CubTrail Original Seat Original Seat View specifications
- Materials
- Aluminium structure with polyurethane outer components, memory-foam padding and moulded rubber frame protection.
- Product dimensions
- Not specified by supplier.
- Product weight
- 2.25 kg / 4.96 lb
- Child age & weight range
- Recommended for children aged 2–5 years, up to 48 lb / 22 kg.
Adjustment range
- Adjustable seat width
- Adjustable leg angle
- Adjustable saddle position
- Fixed leg length
- Fixed footrest height
- Fits top tubes measuring 30–68 mm wide
- Fits down tubes measuring 30–100 mm wide
- Maximum distance between the upper and lower frame tubes at the mounting position: 210 mm
Bike requirements
- Modern regular, non-electric mountain bike
- Front suspension required
- Compatible with single- or dual-suspension mountain bikes
- Compatible with steep, sloping or tapered top tubes
- Suitable for carbon or alloy frames when fitted according to the instructions
- Not compatible with electric bikes
- Not designed for road, gravel, cruiser, step-through or single-tube frames
Box contents
- 1 × front-mounted child seat attachment
- Seat, legs, footrests and frame-mounting components
Specifications apply to the configurations shown and may be updated. Confirm all measurements, box contents and child compatibility before ordering.
Ready For Your Next Family Adventure?
Choose your model, check your fit and get ready to make every ride count.