Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 650c -
Groupset microSHIFT -
Suspension Rigid -
Drivetrain 1 × 11 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
6061-T6 double butted aluminum, tapered head tube, TA dropouts, replaceable hanger, 86.5 mm T47 shell
Suspension Fork
full carbon, TA disc fork, 1.1/2" - 1.1/8" tapered steerer, with fender / cage mounts
Drivetrain
Rear Derailleur
MICROSHIFT RD-M665M rear derailleur, clutch, medium cage
Front Derailleur
-
Shift Levers
MICROSHIFT SB-M110 DUAL CONTROL LEVER 1 x 11
Cassette
MICROSHIFT CS-HG113 11-speed cassette, 11-46T
Crank
BOMBTRACK LYER forged aluminum crank, direct mount interface, 30 mm spindle, CNC machined aluminum, narrow-wide, 40T, 1/2" x 11/128"
Bottom Bracket
T47 sealed BB for 30 mm spindle
Chain
KMC X10 chain, 1/2" x 11/128", 114L
Pedals
-
Wheels
Front Hub
Front: BOMBTRACK ORIGIN sealed disc hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle
Rear Hub
Front: BOMBTRACK ORIGIN sealed disc hub, 6-bolt disc, 12 x 100 mm thru-axle, Rear: BOMBTRACK ORIGIN sealed disc hub, 11-speed, 6-bolt disc, 12 x 142 mm thru-axle
Rims
Front: WTB ST i19 double wall, TCS 2.0, 32h, Rear: WTB ST i19 double wall, TCS 2.0, 32h
Tires
Front: WTB HORIZON tire, 650B x 47C, Rear: WTB HORIZON tire, 650B x 47C
Brakes
Brakes
TRP Spyre C flat-mount disc brakes with 160 mm rotors
Cockpit
Stem
BOMBTRACK ROAM forged aluminum stem, -7°
Handlebar
BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips
BOMBTRACK COMMAND bar tape
Headset
FSA ORBIT C40 sealed integrated aheadset, 1.1/2" - 1.1/8"
Seat
Saddle
BOMBTRACK COMP saddle
Seatpost
BOMBTRACK BEECH aluminum seatpost, 27.2 mm x 300 mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.39 mm | 1.4 mm | 1.44 mm | 1.46 mm | 1.48 mm |
| Front Center | 581 mm | 590 mm | 610 mm | 630 mm | 647 mm |
| Rake | 53 mm | 53 mm | 53 mm | 53 mm | 53 mm |
| Trail | 60.7 mm | 54.4 mm | 54.4 mm | 54.4 mm | 54.4 mm |
| Stack | 514 mm | 535 mm | 563 mm | 589 mm | 613 mm |
| Reach | 370 mm | 381 mm | 392 mm | 403 mm | 413 mm |
| Top Tube Length | 507 mm | 529 mm | 553 mm | 571 mm | 594 mm |
| Seat Tube Angle | 75 ° | 74.5 ° | 74 ° | 74 ° | 73.5 ° |
| Seat Tube Length | 470 mm | 500 mm | 530 mm | 560 mm | 590 mm |
| Head Tube Angle | 71 ° | 72 ° | 72 ° | 72 ° | 72 ° |
| Head Tube Length | 100 mm | 120 mm | 150 mm | 180 mm | 205 mm |
| Chainstay Length | 422 mm | 422 mm | 422 mm | 422 mm | 422 mm |
| Wheelbase | 993 mm | 1002 mm | 1023 mm | 1043 mm | 1061 mm |
| Bottom Bracket Drop | 70 mm | 68 mm | 68 mm | 65 mm | 65 mm |
| Standover Height | 741 mm | 759 mm | 786 mm | 817 mm | 841 mm |
| Wheels | 650 | 650 | 650 | 650 | 650 |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
About this model
Audax AL belongs to the Bombtrack Audax model. There are 10 bikes that carry this model name. You can get a glimpse at all models from 2020, by clicking on this link.
Safety
When you go for a ride, don’t forget to put your helmet on. Moreover, ride with traffic, not against it. This will help you stay visible to drivers and also makes it easier for them to see you.
Average price for Endurance bikes
Our math shows that the average cost of a dependable Endurance bike is 2346$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Endurance bike. To sum up, when you purchase your bike, make sure to check if it has reviews, and also do some components research.
Overview of components
Fork material
Audax AL has a carbon fork, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
The wheels on Audax AL are the aluminum type. The 650c wheels are smaller in diameter than 700c. However, 650c wheels have better acceleration, and can climb easier than 700c.
Brakes
Stopping the bike when needed, it’s essential for your safety. This bike has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
There are 5 sizes available for this model. Rider height can be anywhere between 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, it won’t be difficult to find the right one for you.