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 aluminium, TA, fender mounts,86.5 mm T47 BB shell
Suspension Fork
Full carbon, TA, 1.1/2" - 1.1/8", with fender / cage mounts
Drivetrain
Rear Derailleur
MICROSHIFT RD-M665M, clutch, medium cage
Front Derailleur
-
Shift Levers
MICROSHIFT SB-M110 DUAL CONTROL LEVER 1 x 11
Cassette
MICROSHIFT CS-HG113 11-speed, 11-46T
Crank
BOMBTRACK LYER forged aluminium crank, direct mount interface(SRAM compatible), 30 mm spindle, CNC machined aluminium, narrow-wide, 40T
Bottom Bracket
BOMBTRACK T47 internal sealed BB for 30 mm spindle
Chain
KMC X11 chain, 1/2" x 11/128", 114L
Pedals
-
Wheels
Front Hub
Front: BOMBTRACK ARC sealed disc hub, 6-bolt disc, Rear: BOMBTRACK ARC sealed disc hub, 11-speed, 6-bolt disc
Rear Hub
Front: BOMBTRACK ARC sealed disc hub, 6-bolt disc, Rear: BOMBTRACK ARC sealed disc hub, 11-speed, 6-bolt disc
Rims
Front: WTB ST i21 double wall, TCS 2.0, 32h, Rear: WTB ST i21 double wall, TCS 2.0, 32h
Tires
Front: WTB HORIZON 650B x 47C, Rear: WTB HORIZON 650B x 47C
Brakes
Brakes
TRP Spyre C flat-mount disc brakes with 160 mm rotors
Cockpit
Stem
BOMBTRACK ROAM forged aluminium stem, -7°
Handlebar
BOMBTRACK CX-10 drop bar, 31.8 mm, 10° flare
Grips
BOMBTRACK COMMAND bar tape
Headset
Sealed integrated aheadset, 1.1/2" - 1.1/8"
Seat
Saddle
BOMBTRACK COMP saddle
Seatpost
BOMBTRACK BEECH aluminium seatpost, 27.2 mm x 400 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 | 62 mm | 56 mm | 56 mm | 56 mm | 56 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 | 730 mm | 756 mm | 784 mm | 814 mm | 840 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 |
Model Overview
Audax AL is part of the Bombtrack Audax model. Bombtrack launched 10 bikes of this model so far. Check out the entire range from 2021 of this model, by clicking 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
According to our math, the average price for a trustworthy Endurance bike is 2346$. However, you could also get a good Endurance bike even if you pay a lower amount than the average price. In short, before purchasing your ideal bike do some research about its components, and also check for reviews online.
Average weight for Endurance bikes
If we make a quick analysis of the average weight of an Endurance bike, we get 8.2 kg (18.08 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
Audax AL weighs 10.4 kg (22.93 lbs) and is much heavier than the average. In short, the average Endurance bike weight is 26.83% lower than this one.
Overview of components
Fork material
The fork is made out of carbon, so, it won’t add up to much weight to your bike. However, the price you have to pay for a carbon fork is considerably higher.
Wheels size
The Audax AL 2021 bike is equipped with aluminum wheels when leaving the factory. These wheels are less popular than 650b and 700c. However, they are a little lighter than 700c wheels.
Brakes
When you want to stop the bike in time, the brakes are vital. The Audax AL has Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, with hydraulic disk brakes, you have the ultimate braking power!
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 conclusion, you won’t have a problem finding one that suits you.