Significant discount on Cycling Science limited to Amazon KINDLE!

Mon, 23 Sep 2019
All cycling science started here!
Only AMAZON KINDLE e-book version is greatly discounted for a limited time.

Kyle Iginite Ace Disc & Ace rim has been released!

Tue, 16 Jul 2019
The world's lightest class road disc wheel & rim. Kyle Ignite Ace Disc Wheel & Rim has been released!Link


Tue, 04 Dec 2018
KYLE IGNITE Wheel launched with ultra lightweight and high rigidity by carbon spokes! It is the ultimate lightweight and forward wheel!Link

Kyle wheel released!

Sat, 26 May 2018
SACRA is a new type wheel that thoroughly comprehends aero performance, rolling resistance, light weight, rigidity, vibration absorbing ability, original function!Link

Happy new year!

Mon, 01 Jan 2018
Happy new year!

Release 4G-DBR series

Mon, 04 Dec 2017
SACRA start 4G-DBR wheel and rim series. This wheel is absorb vibration by DBR. Fun smooth riding!Link

"DB Thirster" has been released!

Sat, 07 Oct 2017
Released carbon aero handle "DB Thirster" pursuing vibration absorption!Link

Support report

Sun, 16 Jul 2017
SACRA support team Inter pro cycling academy Europe reportLink

SACRA-Cycling released Cycling science!

Sat, 17 Jun 2017
This book was written by Chester R Kyle in 1989-1997 about cycling science and bicycle wind tunnel test. Link

About the support of Interpro cycling Academy

Mon, 12 Jun 2017
SACRA support the UCI Continental team interpro cycling academy !Link

Release 4G-38-JX road wheel

Sun, 04 Jun 2017
Release 4G-38-JX road tubeless and tubular wheelLink

We conducted a wind tunnel test at the Japan Aerospace Exploration Agency JAXA!

Tue, 02 May 2017

Update development page

Sat, 04 Mar 2017
Update development page!
Update Crank!