Question: Who directed the film that the original hardtail of Orange Mountain Bikes was named after?

Context paragraphs:
Samchuly: Samchuly, is a leading bicycle company and is the largest bicycle manufacturer and retailer in Korea.  Headquartered in Seoul, South Korea, Samchuly currently operates a manufacturing facility in Uiwang, with a production capacity of 300,000 bicycles per year.  The Company's offerings consist of folding bikes, women's bikes, children's bikes, racing bikes, mountain bikes and special bikes under brand names such as Andre Kim, Appalanchia, Cello, KENIA, HOUND, NEXT and Lespo.

27.5 Mountain bike: 27.5 mountain bikes, also called tweeners, are mountain bikes which use a wheel that is approximately 27.5 inches in diameter with a large volume ISO 56-584 (27.5 x 2.25) mountain bike tire installed in a ISO 584 mm rim.  The wheel size is also known as "650B",

29er (bicycle): 29ers or two-niners are mountain bikes and hybrid bikes that are built to use 700c or 622 mm ISO (inside rim diameter) wheels, commonly called 29" wheels.  Most mountain bikes use ISO 559 mm wheels, commonly called 26" wheels.  The ISO 622 mm wheel is typically also used for road-racing, trekking, cyclo-cross, touring and hybrid bicycles.

Author (bicycles): Author is a Czech brand of bicycles, bike accessories and sporting goods.  The brand was founded in 1993.  Author manufactures bicycles in the following categories road bikes, mountain bikes (cross-country, enduro, full suspension), cross-country bicycles, touring, freestyle (MTB, BMX), junior and women's (mountain bikes, cross-country).  Author also manufactures e-bikes.

KHS Bicycles: KHS Bicycles is a bicycle manufacturer founded in 1974 with main operations in the United States and Taiwan.  Its bicycles are distributed in over 30 countries.  Although KHS' main focus has been in mountain bikes, it has offerings in road bikes, folding bikes, tandem bikes, cruiser bikes (under the Manhattan brand name), single speed bikes and bmx bikes (under the FreeAgent brand name).  Some of its products have been favorably reviewed.

Orange Mountain Bikes: Orange Mountain Bikes Limited is a bicycle manufacturer, based in Halifax, West Yorkshire in the UK.  Orange produces a wide range of mountain bikes, ranging from the full-suspension downhill 224 to the steel hardtail P7.  Orange's original hardtail was the Clockwork, named after the film.  Orange-sponsored riders have held the downhill world cup championship in 2001 (Greg Minnaar), 2002 and 2004 (Steve Peat), as well as the women's under 21 downhill world championship (Tracey Hannah in 2006).  Entry and mid-level Orange bikes are built in Taiwan, while more expensive models are handbuilt in their Halifax factory.  The Patriot is one of Orange's best selling models and was the best selling performance mountain bike in Britain for several years.  Orange now has dealers in 26 countries worldwide.

A Clockwork Orange (film): A Clockwork Orange is a 1971 dystopian crime film adapted, produced, and directed by Stanley Kubrick, based on Anthony Burgess's 1962 novel of the same name.  It employs disturbing, violent images to comment on psychiatry, juvenile delinquency, youth gangs, and other social, political, and economic subjects in a dystopian near-future Britain.

Muddy Fox: Muddy Fox is a bicycle manufacturer from Basildon, Essex, specialising in mountain bikes and other flatbar bicycles.  The company produced BMX bikes in the 1980s before the slump later on forced them to switch to mountain bike production, at which they excelled, producing such bikes as the Intereactive Ultra designed by Dave Smart.  Muddy Fox dropped off the production radar in the mid-1990s.  The company have been a brand of Universal Cycles since 2001 and also produces Silver Fox to sell to bigbox retailers such as Argos.

Russ Mahon: Russ Mahon is an avid cyclist and founder of a cycling group known as The Morrow Dirt Club.  Originally based in Cupertino, California, The Morrow Dirt Club were, arguably, the first to put multiple gears on pre-World War II balloon-tired bicycles for use off-road.  These bicycles were the precursor to the modern mountain bike.  Russ, along with Tom and Carter Cox, competed in a race in Mill Valley, California in 1974 on these bikes.  It was there that Gary Fisher and Joe Breeze, among others, saw the bikes and developed them into the worldwide phenomenon known as mountain biking.  In 2007, Russ Mahon was profiled in the documentary film, Klunkerz: A Film About Mountain Bikes.

Mountain biking: Mountain biking is the sport of riding bicycles off-road, often over rough terrain, using specially designed mountain bikes.  Mountain bikes share similarities with other bikes, but incorporate features designed to enhance durability and performance in rough terrain.  Mountain biking can generally be broken down into multiple categories: cross country, trail riding, all mountain (also referred to as "Enduro"), downhill, freeride and dirt jumping.  However, the majority of mountain biking falls into the categories of Trail and Cross Country riding styles.

Supporting paragraphs: Orange Mountain Bikes A Clockwork Orange (film)
Answer: Stanley Kubrick