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JASO M345 is a quality classification standard for two stroke engine oils for engines of Japanese origin. It was introduced by the Japanese Automotive Standards Organization (JASO) in 1994 as JASO M345-93 with the quality levels JASO FA, JASO FB and JASO FC – with FC setting the highest standard.
A Suntour Sprint rear derailleur A front derailleur manufactured by Suntour a pair of Suntour road brakes. In 1964, Suntour invented the slant-parallelogram rear derailleur. The parallelogram rear derailleur had gained prominence after Campagnolo's introduction of the "Gran Sport" in 1949, [7] [8] and the slant-parallelogram was an improvement of it that allowed the derailleur to maintain a ...
It is the only remaining, not revoked classification of the API Two-Cycle motor oil specifications (TA, TB, TC, TD). Being a very old standard itself, most currently produced 2T lubricants meet its specifications, even the lowest quality ones; current high-quality oils exceed them (often labeled "API TC+" although not based on actual measurements).
A bicycle dropout (drop out, frame end, or fork end), is a slot in a frame or fork where the axle of the wheel is attached. The term fork is sometimes also used to describe the part of a bicycle that holds the rear wheel, [1] which on 19th century ordinary or penny-farthing bicycles was also a bladed fork.
The Earles fork is a variety of leading link fork where the pivot point is behind the front wheel, which is the basis of the Earles' patent. [3] Patented by Englishman Ernest Earles in 1953, the design is constructed of light tubing, with conventional 'shock absorbers' mounted near the front axle.
Bike geometry parameters: wheelbase, steering axis angle, fork offset, and trail. Bicycle and motorcycle geometry is the collection of key measurements (lengths and angles) that define a particular bike configuration. Primary among these are wheelbase, steering axis angle, fork offset, and trail.
The DB Gold Star had an improved oil feed to the crankshaft and finned front brakes. DB32 models had smaller exhaust valves than the CB32 and power increased slightly to over 30 bhp (22 kW). [citation needed] Power outputs of the 499 cc engines were developed to about 42 bhp (31 kW) over the next few years.
The Somerset and Dorset Joint Railway (S&DJR, also known as the S&D, S&DR or SDJR), was an English railway line jointly owned by the Midland Railway (MR) and the London and South Western Railway (LSWR) that grew to connect Bath (in north-east Somerset) and Bournemouth (then in Hampshire; now in south-east Dorset), with a branch in Somerset from Evercreech Junction to Burnham-on-Sea and Bridgwater.