Gearing

Helix Animated

Helix will be available in 3 specs: 10 speed derailleur, 11 speed internal gear hub, and a single speed. The gearing for each spec is as follows:

Specifications are subject to change.

Crankarm Length 165mm
Chainring 42t
Cassette Shimano SLX HG81 10 Speed, 11-36t (327% range)
Sprocket (teeth) 11 13 15 17 19 21 24 28 32 36
Gear Inches 90.5 76.5 66.3 58.5 52.4 47.4 41.5 35.5 31.1 27.6
Gear Ratio 3.8 3.2 2.8 2.5 2.2 2.0 1.8 1.5 1.3 1.2
km/h @ 60 rpm 26 22 19.1 16.8 15.1 13.6 11.9 10.2 8.9 7.9
km/h @ 80 rpm 34.7 29.3 25.4 22.4 20.1 18.2 15.9 13.6 11.9 10.6
km/h @ 100 rpm 43.3 36.6 31.8 28 25.1 22.7 19.9 17 14.9 13.2
km/h @ 120 rpm 52 44 38.1 33.6 30.1 27.2 23.9 20.4 17.9 15.9
Crankarm Length 165mm
Chainring 42t
Rear Sprocket Alfine 22t
Hub Alfine 11 SG-S700 (409% range)
Gear 11 10 9 8 7 6 5 4 3 2 1
Gear Inches 89.9 78.8 69.6 61.0 53.9 47.3 41.5 36.7 32.1 28.4 22.0
Gear Ratio (adjusted to 22t) 4.1 3.6 3.2 2.8 2.5 2.2 1.9 1.7 1.5 1.3 1.0
km/h @ 60 rpm 25.8 22.6 20 17.5 15.5 13.6 11.9 10.5 9.2 8.2 6.3
km/h @ 80 rpm 34.4 30.2 26.7 23.4 20.7 18.1 15.9 14.1 12.3 10.9 8.4
km/h @ 100 rpm 43.1 37.7 33.3 29.2 25.8 22.7 19.9 17.6 15.4 13.6 10.5
km/h @ 120 rpm 51.7 45.3 40 35.1 31 27.2 23.9 21.1 18.4 16.3 12.6
Crankarm Length 165mm
Chainring 42t
Sprocket 18t
Gear Inches 55.3
Gear Ratio 2.3
km/h @ 60 rpm 15.9
km/h @ 80 rpm 21.2
km/h @ 100 rpm 26.5
km/h @ 120 rpm 31.8

Geometry and Sizing

Helix Animated

Please note, we are still fine tuning our geometry and these numbers are subject to change.

A) Seat tube length: 338 mm / 13.3 in
B) Effective top tube length: 590 mm / 23.2 in
C) Actual top tube length: 590 mm / 23.2 in
D) Head angle: 73 deg
E) Seat tube angle: 77 deg
F) Standover height (centre): 671 mm / 26.4 in
G) Head tube length: 100 mm / 3.9 in
H) Wheelbase: 1066 mm / 42 in
I) Chainstay length: 411 mm / 16.2 in
J) Bottom bracket height: 308 mm / 12.1 in
K) Trail: 70 mm / 2.8 in
L) Frame reach: 435 mm / 17.1 in
M) Frame stack: 672 mm / 26.5 in
N) Handlebar height: 980 mm / 38.6 in
O) Seat post height to pedal spindle: 932 mm / 36.7 in max | 580 mm / 22.8 in min