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Model Focus – Shimano – Merlin Cycles Weblog

The one model which has dominated bike elements during the last 25 years or so is Shimano. Nonetheless, they haven’t at all times been primary in bike elements, by the way in which, they’re additionally ranked quantity 2 on the planet at manufacturing fishing reels, however thats fairly sufficient about fishing. Shozaburo Shimano began his engineering workshop in 1921, initially making single velocity freewheels utilizing a associates lathe. On the time, single velocity freewheels had been essentially the most technologically superior half on a motorcycle, Shozaburo Shimano thought he might make one which was higher than these out there on the time.

The next many years noticed Shimano producing comparatively fundamental parts which fitted the comparatively fundamental mass market bikes of the period. The late 1960’s noticed a shift in manufacturing in the direction of the market which European producers had been dominating – Campagnolo, Simplex and Huret had been the massive gamers in sport and leisure street biking parts.

The 1967 Skylark rear derailleur was a extra sturdy model of a then common French Simplex models, a few of which used weaker and extra versatile plastic in its building. The skylark rear derailleur was manufactured in metal and offered very nicely, this was arguably Shimano’s first main step down the pathway in the direction of domination of the business.

Shimano Skylark Rear Derailleur – Photograph Shimano.com

The 1970’s noticed Shimano ramp as much as the subsequent degree. Coaster brakes had been in enormous demand for leisure bikes and Shimano made among the best, they had been producing 50’000 caster brakes per thirty days. 1973 was the 12 months Dura Ace was born. Shimano took it’s first steps into skilled street racing by way of sponsorship of the Flandria Crew which featured Belgian famous person Freddy Maertens.

Shimano Timeline of Innovation


Shimano Dura-Ace drivetrain is born!

Shimano sponsor Belgian street racing crew Flandria. Dura-Ace was within the Tour De France for the primary time and Freddy Maertens’ second place within the World Champs properly kick issues off for Dura-Ace’s racing palmares.

Freddy Maertens & Geraint Thomas spanned the Dura Ace period – from 1st World Champioship podium in 1973 to 2018 Tour De France Winner / third in 2022


Shimano’s listed shifting design – Positron – involves market. Earlier gear shifting needed to depend on riders feeling for the gears. Positron derailleurs had been listed in a collection of mounted positions that correlated to particular person rear wheel sprockets.


Shimano Dura-Ace EX 2700 is launched. This necessary groupset noticed the debut of the freehub.

shimano dura-ace ax 7300 aerodynamics


Shimano Dura-Ace AX 7300 comes out. It’s particularly designed to be extra aerodynamic.

shimano xt advert


The primary version of Shimano’s Deore XT M700 mountain bike groupset is launched. The launch of the Shimano 105 drivetrain noticed the beginning of the funds efficiency vary which might profit from options which trickled down from the highest finish groupsets.


Shimano make many inprovements to their 600 drivetrain and name it the 600EX.



Dura-Ace 7400 drivetrain first options the Shimano Index System (SIS).


SIS makes the transfer over to the mountain bike world with Shimano Deore XT SIS.


7-speed SIS Shimano 600 Ultegra groupset is launched.

Shimano convey out the notorious Santé groupset. Ridiculed in its day for pretentious advertising and its distinctive un-macho aethetic, it’s now extremely desired by collectors.


Andy Hampsten wins the Giro d’Italia using a Dura-Ace groupset geared up bike. Shimano’s first main tour win. That is arguably the beginning of Shimano’s gradual domination of the professional racing world.

Shimano make their first street biking shoe – the SH-R100.


Shimano unveil the idea of STI (Shimano Whole Integration) with Rapidfire Distant shifters for mountain bikes. STI permits cyclists to function gears and brakes with out having to let go off the handlebar. This growth noticed rival Campagnolo desperately enjoying catch-up with the event of their equal Ergopower system.

dura-ace 7400 sti


Dura-Ace 7400 options STI Twin Management Levers.

shimano spd pedals 1990

Shimano introduce SPD (Shimano Pedalling Dynamics) clipless pedals to the MTB market.

1991 shimano xtr groupset


Shimano flip their consideration severely onto the world of mountain bike racing by releasing the XTR groupset. Their first mountain bike groupset aimed squarely at skilled mountain bike racers.

keizo shimano


Shozaburo’s center youngster – Keizo Shimano – turns into the corporate’s third president.


Shimano Dura-Ace 7410 is launched.


Shozaburio’s youngest son – Yoshizo – takes his flip to be firm president.

shimano dura-ace 7700 groupset


Dura-Ace 7700 sees the flagship drivetrain getting a substantial overhaul. “Stress free” is the governing concept apparently.

25th anniversary shimano dura-ace


The twenty fifth anniversary of Dura-Ace is marked with the discharge of a particular anniversary version of the groupset.

Shimano’s Flightdeck bike laptop comes out. It’s operational by way of a swap on the brake lever bracket so the rider doesn’t must take away their hand from the handlebar to function the pc. On this regard the Flightdeck is extension of the STI idea.

shimano wh-7700 wheelset


In an period nonetheless dominated by handbuilt wheels, Shimano convey out a manufacturing facility wheelset. The WH-7700 wheelset is unveiled.


Shimano WH-M959 mountain bike wheelset comes out.

yozo shimano


Shimano proceed to maintain it within the fmaily; Yozo Shimano turns into the fifth president.

shimano dura-ace 7800 groupset


“For 100% Energy Transmission Effectivity” – the buzz-phrase for the brand new Dura-Ace 7800 groupset. 10-speed, Hollowtech cranks, ergonomic STI levers and different important strikes.


The last word accolade for a motorcycle element producer is to function their elements on the bike of the winner of the Tour De France. This time lastly got here for Shimano in 2007, as Alberto Contador gained the TDF on Dura Ace, the primary official Shimano win within the largest race on the planet. The 1999 – 2005 Tour De France’s had been ‘type of’ gained on Shimano too, however with assist from pharmaceutical producers. From 2012 with Bradley Wiggins, by way of to 2019 with Egan Bernal, there have been 7 years TDF winners using Shimano Dura Ace within the Crew Sky & Ineos period of domination.

dura-ace 7900 groupset


Dura-Ace 7900 – “The Evolution of Perfection”. Hole-in-the-middle Hollowglide cranks make their debut.



Shimano go digital! Digital shifting by way of Dura-Ace 7970 componentry is launched – Di2 (Digital Built-in Intelligence).

shimano xtr dyna-sys groupset


Shimano XTR Dyna-sys – 10-speed drivetrains for mountain bikes.

shimano dura-ace 9000 groupset


The 2012 model, Dura-Ace 9000 – featured an entirely re-engineered system in 11-speed. The cranks now have 4 arms, the entire groupset mixes polished aluminium contrasting with a darker end.

shimano hydraulic disc brakes for road bikes


Shimano produce hydraulic disc brakes for street bikes.

Shimano Ultegra 6800 11 Pace mechanical groupset launched.


Dura Ace 9100 is launched that includes an optionally available energy meter.


Shimano GRX Gravel particular vary is launched with 4 ranges from GRX815 11 Pace Digital to GRX400 10 Pace. All GRX groupsets function hydraulic braking and there may be an choice for 1X or 2X transmission.


Shimano Dura Ace Di2 9200 arrived with 12 velocity wi-fi digital shifting and a selection between hydraulic disc and rim brake. New deep carbon C60, C50 and C36 wheels function elevated width for wider tyres. Ultegra Di2 8100 was launched too, additionally that includes 12 velocity transmissionn and wi-fi actuation.


Shimano Di2 105 is launched that includes 12 velocity wi-fi transmission and far of the identical efficiency as the most recent Dura Ace and Ultegra wi-fi groupsets, however at a lower cost level.

See our full vary of Shimano right here



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