Helix - Specs

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NEW FOUNDATION

The Foundation spec is the industry benchmark for innovation and value - the core DNA of our mission at Helix.

Foundation delivers the same world class titanium frame that has made Helix the leader in folding bike design at the most accessible price on the market - without compromising on the features you want.

Foundation has a 10 speed Shimano Deore drivetrain, lightweight hydraulic disc brakes, direct mount crankset and more.

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Drivetrain	Weight
10 Speed Derailleur (11-36t)	23.4 lbs (10.61 kg)
10 Speed Derailleur (11-42t)	23.55 lbs (10.68 kg)

PERFORMANCE

The Performance spec strikes the perfect balance between innovation and efficiency - elevating the Helix experience with premium upgrades where they matter most.

Equipped with our SRAM X1 DUB crankset, Shimano SLX 11 speed drivetrain for climbing performance, and Formula disc brakes for confident stopping in all conditions.

Performance is the ideal choice for riders who want more speed, control and refinement.

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Drivetrain	Weight
11 Speed Derailleur (11-36t)	22.7 lbs (10.3 kg)
11 Speed Derailleur (11-42t)	22.85 lbs (10.36 kg)
11 Speed Alfine	25.0 lbs (11.34 kg)

ULTRALIGHT

The Ultralight component set is the industry benchmark for top of the line high performance cycling.

Ultralight includes a lighweight wheelset, Formula Cura X hydraulic brakes with carbon levers and titanium screws, Helix carbon crankset and a lighter Shimano Ultegra drivetrain with 11 speeds, carbon handlebar and more.

Also available with SRAM RED AXS 12 Speed electronic shifting.

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Drivetrain	Weight
11 Speed Derailleur (9-34t)	20.4 lbs (9.25 kg)
12 Speed SRAM RED AXS (10-33t)	20.3 lbs (9.21 kg)

Dimensions:

Note: Seatpost/Saddle can be removed to reduce folded dimensions.

Tire Diameter
23.0" (584.2mm)
With 1.5" wide Kenda Kwest

Length

28.0" (711.2mm)

27.5" (688.5mm)
Without Saddle

Height

25.0" (635mm)

23.5" (596.9mm)
Without Saddle

Width
10.5" (266.7mm)

Limits:

Max rider weight: 230 lb / 104 kg
Max loaded weight: 245 lb / 111 kg
Max tire width: 1.5" / 38.1mm
Max rider height: 6' 4" / 1.93m

Geometry:

Saddle to pedal spindle max/min height:

Seatpost	Max	Min
Regular	940.4mm (37")	603.8mm (23.8")
XL	980.4mm (38.6")	603.8mm (23.8")

Handlebar to saddle max/min: 713mm (28.07") / 596.5mm (23.48")

Reach: 459.3mm (18.08")

Head tube angle: 72 degrees

Seat tube angle actual: 74 degrees
(virtual range: 72-76 degrees)
angle is variable due to saddle stroke adjustability

Standover height: 655.3mm (25.8")

Head tube length: 110mm (4.33")

Wheelbase: 1056.6mm (41.6")

Chainstay length: 377mm (14.84")

Bottom bracket height: 303.6mm (11.95")

Trail: 67.3mm (2.65")

Tire to pedal spindle distance: 217.9mm (8.58")

Handlebar max/min height: 991.2mm (39.02") / 960.6mm (37.82")
height is adjustable by flipping stem and adjusting handlebar rotation

Bottom bracket drop: 6.7mm (0.26")

Stack height: 687.6mm (27.07")

Saddle angle: +/- 4 degrees

Saddle stroke: 100.0mm (3.94")

Seatpost diameter: 28.6mm (1.125")

For more information on specific dimensions and upgrading/modifying Helix, view the upgrade guide

Specs:

Foundation	Performance	Ultralight
Wheeltop MA2000 Hydraulic actuated, dual piston caliper	Formula Cura Hydraulic actuated, dual piston caliper	Formula Cura XC Hydraulic actuated, dual piston caliper with titanium mounting screws
Wheeltop MA2000 Hydraulic brake with aluminum ball bearing actuated lever	Formula Cura Hydraulic brake with aluminum fiber lever	Formula Cura XC Hydraulic brake with carbon fiber lever
Wheeltop Stainless steel rotor, 160mm, 6-Bolt	Formula Stainless steel rotor, 160mm, 6-Bolt	Ashima ARO-10 Stainless steel rotor with aluminum spider and titanium mounting screws, 160mm, 6-Bolt
Wheeltop Brake hose	Formula Brake hose	Formula Kevlar Kevlar reinforced brake hose
Shimano Deore 10 speed	Shimano SLX 11 speed	Shimano Ultegra 8000-SS 11 speed
Shimano Deore 10 speed, 3 downshift / 1 upshift	Shimano SLX 11 speed, 3 downshift / 1 upshift	Shimano RS-700 11 speed, ball bearing, carbon fiber lever, 3 downshift / 2 upshift
11-36t 10 speed, stamped steel, aluminum spider	11-36t 11 speed, CNC machined steel with aluminum spider	e13 XCX, 9-34t 11 speed, CNC machined steel with aluminum spider
10 Speed hollow link Chain	11 Speed hollow link Chain	11 Speed hollow link Chain
Helix Aluminum crankset 165mm CNC Aluminum Chainring 38t	SRAM X1 1000 DUB crankset 170mm CNC Aluminum Chainring 38t	SRAM XX1 Eagle DUB 170mm Crankset (370g) Chainring 36t (65g)
DUB BB	DUB BB	DUB BB with ceramic bearings
Front wheel Rim: Alex SD20 Hub: Formula Helix Spokes: Pillar Nipples: Pillar brass	Front wheel Rim: Stans Crest K Hub: Formula Helix Spokes: Pillar Nipples: Pillar brass	Front wheel Rim: Stan's Crest MK4 Hub: Formula Helix Spokes: Pillar double butted Nipples: Pillar aluminum
Thru-Axle wheel Rim: Alex SD20 Hub: Formula, Shimano driver, 24 POE Spokes: Pillar Nipples: Pillar brass	Thru-Axle wheel Rim: Stans Crest K Hub: Formula, Shimano driver, 24 POE Spokes: Pillar Nipples: Pillar brass	Thru-Axle wheel Rim: Stan's Crest MK4 Hub: HubSmith, XDR driver, 48 POE Spokes: Pillar double butted Nipples: Pillar aluminum
Kenda Kwest Folding bead, puncture protection, 60tpi, 507-40 (24 x 1.5")	Helix Ultralight Tire Folding bead, puncture protection, 120tpi, 507-32 (24 x 1.25")	Helix Ultralight Tire Folding bead, puncture protection, 120tpi, 507-32 (24 x 1.25")
Butyl tube	TPU tube	TPU tube
7075 Aluminum Handlebar	Helix Carbon Handlebar	Yavis Carbon Handlebar
Helix CrMo Rails CrMo rails, 250mm x 140mm	fabric Scoop Elite Radius CrMo rails	Tioga Undercover Stratum Carbon rails, 285mm x 140mm
Velo foam lock on grips	Velo foam lock on grips	Velo foam lock on grips
LitePlus Folding	LitePlus Folding	Wellgo C237B QRD-I Quick Release
Titanium Dropouts	Titanium Dropouts	Titanium Dropouts
Stainless Axle	Stainless Axle	Titanium Axle

Foundation

Performance

Ultralight

Wheeltop MA2000

Hydraulic actuated, dual piston caliper

Formula Cura

Hydraulic actuated, dual piston caliper

Formula Cura XC

Hydraulic actuated, dual piston caliper with titanium mounting screws

Wheeltop MA2000

Hydraulic brake with aluminum ball bearing actuated lever

Formula Cura

Hydraulic brake with aluminum fiber lever

Formula Cura XC

Hydraulic brake with carbon fiber lever

Wheeltop

Stainless steel rotor, 160mm, 6-Bolt

Formula

Stainless steel rotor, 160mm, 6-Bolt

Ashima ARO-10

Stainless steel rotor with aluminum spider and titanium mounting screws, 160mm, 6-Bolt

Wheeltop

Brake hose

Formula

Brake hose

Formula Kevlar

Kevlar reinforced brake hose

Shimano Deore

10 speed

Shimano SLX

11 speed

Shimano Ultegra 8000-SS

11 speed

Shimano Deore

10 speed, 3 downshift / 1 upshift

Shimano SLX

11 speed, 3 downshift / 1 upshift

Shimano RS-700

11 speed, ball bearing, carbon fiber lever, 3 downshift / 2 upshift

11-36t

10 speed, stamped steel, aluminum spider

11-36t

11 speed, CNC machined steel with aluminum spider

e13 XCX, 9-34t

11 speed, CNC machined steel with aluminum spider

10 Speed hollow link Chain

11 Speed hollow link Chain

11 Speed hollow link Chain

Helix Aluminum crankset 165mm

CNC Aluminum Chainring 38t

SRAM X1 1000 DUB crankset 170mm

CNC Aluminum Chainring 38t

SRAM XX1 Eagle DUB 170mm

Crankset (370g)

Chainring 36t (65g)

DUB BB

DUB BB with ceramic bearings

Front wheel

Rim: Alex SD20

Hub: Formula Helix

Spokes: Pillar

Nipples: Pillar brass

Front wheel

Rim: Stans Crest K

Hub: Formula Helix

Spokes: Pillar

Nipples: Pillar brass

Front wheel

Rim: Stan's Crest MK4

Hub: Formula Helix

Spokes: Pillar double butted

Nipples: Pillar aluminum

Thru-Axle wheel

Rim: Alex SD20

Hub: Formula, Shimano driver, 24 POE

Spokes: Pillar

Nipples: Pillar brass

Thru-Axle wheel

Rim: Stans Crest K

Hub: Formula, Shimano driver, 24 POE

Spokes: Pillar

Nipples: Pillar brass

Thru-Axle wheel

Rim: Stan's Crest MK4

Hub: HubSmith, XDR driver, 48 POE

Spokes: Pillar double butted

Nipples: Pillar aluminum

Kenda Kwest

Folding bead, puncture protection, 60tpi, 507-40
(24 x 1.5")

Helix Ultralight Tire

Folding bead, puncture protection, 120tpi, 507-32
(24 x 1.25")

Helix Ultralight Tire

Folding bead, puncture protection, 120tpi, 507-32
(24 x 1.25")

Butyl tube

TPU tube

7075 Aluminum Handlebar

Helix Carbon Handlebar

Yavis Carbon Handlebar

Helix CrMo Rails

CrMo rails, 250mm x 140mm

fabric Scoop Elite Radius

CrMo rails

Tioga Undercover Stratum

Carbon rails, 285mm x 140mm

Velo foam lock on grips

LitePlus Folding

Wellgo C237B QRD-I Quick Release

Titanium Dropouts

Stainless Axle

Titanium Axle

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, materials, and pricing. Equivalent compatible parts may be substituted at any time without notice. Bike and frame weights are based off pre-production frames at time of publication. Weights may vary in final production.