MASH AC-4 Raw Matte Frame Set

MASHSKU: MASH-AC4-RM-S

SIZE: S

Description

This product cannot be shipped overseas.

From San Francisco to the worldwide motorcycle scene,MASH / MASHhas had a huge impact on the world of motorcycles. 's original "AC " series of truck frames. The long-awaited fourth installment of the series is now available. They have emerged from the world of track bikes and are always showing us new ways to play with them.

Custom built with Columbus 7005 series Airplane tubing, the AC-4 is sure to turn heads around town as you ride alongside the stunning graphic work of Portland artist Al Nelson.

Raw Matte

This is a coloring that will blow your mind if you want to keep it simple, just simple. It blends in easily in the city, and the aura it gives off is exceptional.

AC-4

The biggest update is the tire clearance extended up to 32c. Nothing will cramp your style anymore.

The 1 1/8"-1 1/2" tapered fork is made of completely original carbon monocoque from the molding process. It is rigid and extremely lightweight, and its unprecedented 30mm rake truncation angle will allow for sharp cornering.

Smoothly finished fork crowns and rear bridge hide guides for retrofitting brakes. Like the AC-3, it also includes bottle mounts for quick hydration.

For those who love criteriums and want to ride like an arrow through the streets.
You want a frame that responds directly to your needs, no matter how far and how fast you ride.
Establish the best style for you.

[SPEC]

Size:S, M, L
Seatpost diameter:27.2mm
Front end width:100 x Φ 9 mm
Rear end width:120 x Φ 10 mm
Head standard:1 1/8"-1 1/2" tapered *CHRIS KING DropSet™ 2 can be used.
BB standard:JIS 68mm
Tire clearance:700 x 32c (recommended)
Brakes:Front and rear short arches
Frame Material:COLUMBUS 7005Series Airplane
Fork Material:Carbon
Accessories:Head parts, seat clamp, stem cap, pressure plug

[GEOMETRY]

Sizes. S/52 M/54 L/56
Seat tube length (C-T/mm) 520 540 560
Seat tube length(C-C/mm) 480 500 520
Top tube length(C-C/mm) 525 540 560
Head tube length(mm) 110 125 145
Seat tube angle(°) 75.5 75.5 75.5
Head tube angle(°) 73.5 74.5 75
Fork Lake(mm) 30 30 30
Chainstay length (mm) 389 389 389
BB drop (mm) 54 54 54
Fork length 368 368 368
Reference height (cm) 168-173 173-178 178-185


  1. We ship within 1-2 business days after receiving your order (payment). (Basically, orders placed before 12:00 p.m. are shipped the same day.)
  2. Messenger delivery is available within Nagoya City only.
  3. We ship every day from Monday to Sunday, except on temporary holidays.
  4. Available delivery areas: All over Japan and the world.
  5. Please note that delivery may be delayed due to credit card processing status. If you would like to specify the delivery date and time, please fill in your request in the additional information in the shopping cart.
  6. The product will be shipped from Circles.
  7. Please contact the shipping company in case of damage or loss during shipping.

Regarding the delivery of complete bikes

  • Please note that a separate shipping fee of 9,900 yen (tax included) will be charged for shipping complete bikes. (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • After receiving your order, we will do a final check and ship complete bikes, but it may take 1-2 weeks. Please understand.
  • We will send the bike with some parts removed for packing. We strongly recommend that you have your bicycle assembled at your nearest bicycle store.
  • We will inform you of the delivery date and other details by e-mail.
  • We apologize for any sales discrepancies at the store.

Regarding the delivery of frame sets

  • Nationwide flat-rate shipping: 5,500 yen (tax included) (However, an additional fee will be charged for delivery to Okinawa and remote islands.)
  • We will inform you of the delivery date and other details by e-mail.
  • We will provide the pre-treatment of facing and tapping for the frame sets purchased at our store as a service. We will inform you separately after purchase.
  • We can also install a headset and BB for a fee, so please feel free to contact us.

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