Description
AFFINITY CYCLES, trained on the tough streets of Brooklyn, New York, has sent us a practical and supremely cool infographic chart to whet the appetite of all pisto bike and fixed gear freaks.
The combination of "chainring (front)" and "cog (rear)" is a headache for everyone when building a pisto bike.
This "Track Bike Gear calculation chart" shows the "Gear Ratio" which is derived by multiplying 42T-53T (front) and 12T-19T (rear), and the "Skid Patches" which directly affects the life of the tire. The calculation table shows at a glance in a matrix form.
I want to use a lighter gear ratio to make it easier to do tricks.
I want to change the skid patches (odd cogs, etc.) to make the tire last longer while maintaining the current tread response.
You can complete such realistic daily customization simulations smartly on this sheet without having to open the calculation app on your smartphone.
The edgy and beautiful graphic design, reminiscent of the graphics of "Lo Pro" and "Metropolitan" frames, which are synonymous with Affinity, is of excellent interior design quality.
It can be pinned like a poster on the wall of your room, or simply framed and displayed on the wall of the garage or workshop where you tinker with your beloved bike, to bring the atmosphere of the space to a street track bike feel. This mechanic-like art piece is dedicated to all those who love pisto bikes.
SPEC
Brand: AFFINITY CYCLES
Item: Track Bike Gear Calculation Matrix Sheet
Measurement coverage: Front (42T-53T) / Rear (12T-19T)
Displayed data: Gear ratio, number of skid patches, number of patches at ambidextrous (both feet skidding)
- Orders are shipped within 1–2 business days after payment is confirmed. Orders placed by 10:00 AM are generally shipped the same day.
- Messenger delivery is available within Nagoya City only (excluding complete bikes and framesets).
- We ship every day from Monday through Sunday, except on temporary closure days.
- Shipping destinations: throughout Japan and worldwide.
- Shipment may be delayed depending on credit card processing. If you would like to request a delivery date or time, please add a note in your cart.
- All orders are shipped from Circles.
- For damage or loss during transit, please contact the carrier.
Complete Bike Shipping within Japan
- A shipping fee of ¥9,900 (tax included) applies to complete bikes. Additional charges may apply for Okinawa and remote islands.
- After purchase, we perform a final inspection before shipping. Please allow 1–2 weeks in some cases.
- For packing, some parts may be removed. We strongly recommend having the bike reassembled and checked by your local bicycle shop before riding.
- We will contact you by email with delivery details.
- Products are also sold in-store, so availability may change before the order is finalized.
Frameset Shipping within Japan
- Flat-rate shipping within Japan: ¥5,500 (tax included). Additional charges may apply for Okinawa and remote islands.
- Shipping rates for OMNIUM framesets and complete bikes differ.
- We will contact you by email with delivery details.
- Facing and tapping preparation for framesets purchased from Circles is available at no additional charge. Details will be provided after purchase.
- Headset and bottom bracket installation are also available for an additional labor fee. Please contact us if required.
Custom & Stock Wheel Shipping within Japan
- A shipping fee of ¥2,000 (tax included) applies. Additional charges may apply for Okinawa and remote islands.
- Stock wheels undergo a final inspection by a mechanic before shipping. Please allow approximately 3 business days for dispatch.
For international orders, shipping costs vary by destination. Please check the amount shown at checkout.