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Extra stability without switching to a full trike — Swinging Wheels are an adaptive support system designed to help riders stay balanced when slowing or stopping and are designed to be above the ground when riding straight.
Swinging Wheels are a Dutch-developed stabilising wheel system that attaches to some standard e-bikes to provide adjustable side support while slowing and stopping during a ride. Unlike fixed training wheels, they are designed with a “swinging” motion that allows the bike to behave more naturally while still preventing full loss of balance at low speeds, stops, and starts. This makes them especially useful for riders who want added confidence without moving to a full tricycle.
The system typically includes two support wheels mounted on adjustable arms that can be set slightly off the ground or fully engaged depending on the rider’s needs. When set higher, they act as emergency stabilisers that only touch down when balance is lost; when set lower, they provide closer but not true continuous support similar to a trike. This flexibility allows riders to transition gradually toward more independent cycling if desired.
Swinging Wheels are commonly used for older riders, rehabilitation, balance support, or anyone who still wants to use their existing bike but needs extra security. Because they mount to the rear axle and frame, they can be fitted to many standard bicycles and e-bikes, with configuration depending on wheel size and frame geometry. Please note they are not compatible with all models although we can offer consultancy to advise on suitability/compatibility (fees apply).
Key Features
• Adjustable dual-wheel stabiliser system for bicycles and e-bikes
• Provides optional support or closer contact depending on setup
• Helps prevent tipping at low speeds, stops, and mounting/dismounting
• Designed for riders needing extra balance confidence
• Can be fitted to many standard bikes (fitment varies by frame)
• Allows gradual transition between supported and independent riding
• Compatible with a range of wheel sizes (commonly 16”–28”)
• Can be used for rehabilitation, mobility support, or confidence riding
• Mounted to rear axle and frame for structural stability
• Requires local support to fit and adjust
• Alternative to switching to a full tricycle system but please note, this design is not ideal for riders with a lot of balance support needs
Brand: Tern
Frame Material: 6061 aluminium
Wheel Size: 20-inch front and rear
Rim: Atlas wheels with customer CNC machined hubs for extra strength and durability
Tyres: Schwalbe Big Ben Plus (front) Schwalbe Super Moto X (rear)
Gearing: Shimano Deore 1 x 10-speed hub
Front Brakes: Magura MT5 eSTOP 4-piston hydraulic disc
Rear Brakes: MaguraMT5 eSTOP 4-piston hydraulic disc
Front Suspension: Suntour custom for Tern, 1.5″ tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel
Rear Suspension: Cane Creek® Thudbuster ST Suspension Seatpost for an extra-cushy ride
Motor: Bosch Cargo Line Motor with up to 85Nm torque and 400% support 250W mid-drive
Battery: Bosch 500Wh
Display: Bosch Purion
Mode: 4 mode
Charge Time: 4-5 hours
Avg Distance: 70 km - 190km (dependent on load & battery configuration)
Weight Including Battery: 33.5kg (single battery)
Weight Excluding Battery: 31.5kg
Shipping Weight: 36kg
Maximum load:
- 200kg gross vehicle weight
- 120kg rider weight
- 166kg excluding bike, including rider & luggage
Extra stability without switching to a full trike — Swinging Wheels are an adaptive support system designed to help riders stay balanced when slowing or stopping and are designed to be above the ground when riding straight.
Swinging Wheels are a Dutch-developed stabilising wheel system that attaches to some standard e-bikes to provide adjustable side support while slowing and stopping during a ride. Unlike fixed training wheels, they are designed with a “swinging” motion that allows the bike to behave more naturally while still preventing full loss of balance at low speeds, stops, and starts. This makes them especially useful for riders who want added confidence without moving to a full tricycle.
The system typically includes two support wheels mounted on adjustable arms that can be set slightly off the ground or fully engaged depending on the rider’s needs. When set higher, they act as emergency stabilisers that only touch down when balance is lost; when set lower, they provide closer but not true continuous support similar to a trike. This flexibility allows riders to transition gradually toward more independent cycling if desired.
Swinging Wheels are commonly used for older riders, rehabilitation, balance support, or anyone who still wants to use their existing bike but needs extra security. Because they mount to the rear axle and frame, they can be fitted to many standard bicycles and e-bikes, with configuration depending on wheel size and frame geometry. Please note they are not compatible with all models although we can offer consultancy to advise on suitability/compatibility (fees apply).
Key Features
• Adjustable dual-wheel stabiliser system for bicycles and e-bikes
• Provides optional support or closer contact depending on setup
• Helps prevent tipping at low speeds, stops, and mounting/dismounting
• Designed for riders needing extra balance confidence
• Can be fitted to many standard bikes (fitment varies by frame)
• Allows gradual transition between supported and independent riding
• Compatible with a range of wheel sizes (commonly 16”–28”)
• Can be used for rehabilitation, mobility support, or confidence riding
• Mounted to rear axle and frame for structural stability
• Requires local support to fit and adjust
• Alternative to switching to a full tricycle system but please note, this design is not ideal for riders with a lot of balance support needs
Brand: Tern
Frame Material: 6061 aluminium
Wheel Size: 20-inch front and rear
Rim: Atlas wheels with customer CNC machined hubs for extra strength and durability
Tyres: Schwalbe Big Ben Plus (front) Schwalbe Super Moto X (rear)
Gearing: Shimano Deore 1 x 10-speed hub
Front Brakes: Magura MT5 eSTOP 4-piston hydraulic disc
Rear Brakes: MaguraMT5 eSTOP 4-piston hydraulic disc
Front Suspension: Suntour custom for Tern, 1.5″ tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel
Rear Suspension: Cane Creek® Thudbuster ST Suspension Seatpost for an extra-cushy ride
Motor: Bosch Cargo Line Motor with up to 85Nm torque and 400% support 250W mid-drive
Battery: Bosch 500Wh
Display: Bosch Purion
Mode: 4 mode
Charge Time: 4-5 hours
Avg Distance: 70 km - 190km (dependent on load & battery configuration)
Weight Including Battery: 33.5kg (single battery)
Weight Excluding Battery: 31.5kg
Shipping Weight: 36kg
Maximum load:
- 200kg gross vehicle weight
- 120kg rider weight
- 166kg excluding bike, including rider & luggage