Bike details
Overview
Key information split into simple groups.
Frame summary
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Frame Aluminum -
Wheels 26"
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Series 3 6061 Aluminum, 26” Wheels, 135x10mm Horizontal Single Speed Dropouts, 73mm Threaded BB, ISCG 05 Tabs
Drivetrain
Bottom Bracket
BSA, 73mm, threaded
Cockpit
Headset
FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | Short | Long |
|---|---|---|
| Stack Reach Ratio | 1.49 mm | 1.34 mm |
| Bottom Bracket Height | 317 mm | 317 mm |
| Front Center | 643 mm | 689 mm |
| Rake | 42 mm | 42 mm |
| Trail | 87 mm | 88 mm |
| Stack | 580 mm | 585 mm |
| Reach | 390 mm | 435 mm |
| Top Tube Length | 605 mm | 651 mm |
| Seat Tube Angle | 69 ° | 69 ° |
| Seat Tube Length | 320 mm | 320 mm |
| Head Tube Angle | 69 ° | 69 ° |
| Head Tube Length | 115 mm | 120 mm |
| Chainstay Length | 400 mm | 400 mm |
| Wheelbase | 1042 mm | 1088 mm |
| Bottom Bracket Drop | 22 mm | 22 mm |
| Standover Height | 375 mm | 405 mm |
| Wheels | 26" | 26" |
About this model
Alcatraz Frame Kit is a Marin Alcatraz model. Marin released 13 frames variations of this model so far. You can get a glimpse at all models from 2023, by clicking on this link.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Dirt Jump frames
Our math shows that the average cost of a dependable Dirt Jump frame is 491$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Dirt Jump frame. To sum up, when you purchase your frame, make sure to check if it has reviews, and also do some components research.
Furthermore, this bike was made available in 2023 for 549$. Comparing this to the average Dirt Jump frame price, we see that the price is 11.81% higher.