A | B | C | D | E | F | |
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1 | 2018 SIDRA Numbering Scheme | |||||
2 | Division Name | Division Letter | Class Letter | Background/ # Letter Color | Example Numbers as on Bike (front and both sides) | Division Requirements |
3 | START on A WAVE | |||||
4 | AA (pro) | AA | A | Red w White | 1aa, 2aa, 3aa, .... 100aa | Unlimited cc. (Cash purse, self funded 50% paypack) |
5 | UNLIMITED A | X | A | Black w White | 1X, 2X, 3X, .... 100X | 125cc or larger, minimum of 14yrs Old |
6 | LIGHTWEIGHT A | A | A | Black w White | 1A, 2A, 3A, ..., 100A | 250cc or smaller, any stroke |
7 | VET A | V | A | Black w White | 1V, 2V, 3V, ..., 100V | 30+ yrs old, unlimited cc |
8 | SENIOR A | S | A | Black w White | 1S, 2S, 3S, ..., 100S | 40+ yrs old, unlimited cc |
9 | MASTERS A | M | A | Black w White | 1M, 2M, 3M, ...,100M | 50+ yrs old, unlimited cc |
10 | WOMENS | W | A | Black w White | 1W, 2W, 3W, ...,100W | Be of the fairer gender, unlimited cc |
11 | ||||||
12 | START on B WAVE | |||||
13 | UNLIMITED B | U | B | White w Black | 1U, 2U, 3U, .... 100U | 125cc or larger, minimum of 14yr Old |
14 | LIGHTWEIGHT B | Y | B | White w Black | 1Y, 2Y, 3Y, ..., 100Y | 250cc or smaller, any stroke |
15 | VET B | T | B | White w Black | 1T, 2T, 3T, ..., 100T | 30+ yrs old, unlimited cc |
16 | SENIOR B | F | B | White w Black | 1F, 2F, 3F, ..., 100F | 40+ yrs old, unlimited cc |
17 | MASTERS B | E | B | White w Black | 1E, 2E, 3E, ..., 100E | 50+ yrs old, unlimited cc |
18 | LEGENDS (60+) | R | None | N/A | 1R, 2R, 3R, ..., 100R | 60+ yrs old, unlimited cc, heads up (50% to finish) |
19 | WOMENS | L | B | White w Black | 1L, 2L, 3L, ..., 100L | Be of the fairer gender, unlimited cc (50% to finish) |
20 | BOMBER | B | None | N/A | 1B, 2B, 3B, ..., 100B | Unlimited cc, heads up 10 years old or older bikes |
21 | ||||||
22 | START on C WAVE | |||||
23 | C CLASS | C | None | White w Black | 1C, 2C, 3C, ..., 100C | Beginner division, heads up |
24 | Sportsman | Z | None | White w Black | 10Z, 11Z, 12Z, ..., 100Z | Heads up runs shortened course at reduced fee. Points tracked but no Trophies or year end awards. |
25 | ||||||
26 | MINI A | D | None | White w Black | 1D, 2D, 3D, ..., 100D | up to 112cc 2 stroke or 150cc 4 stroke, maximum of 15yrs old at start of season |
27 | MINI B | P | None | White w Black | 1P, 2P, 3P, ..., 100P | up to 112cc 2 stroke or 150cc 4 stroke, maximum of 15yrs old at start of season |
28 | MINI GIRL | G | None | White w Black | 1G, 2G, 3G, ..., 100G | up to 112cc 2 stroke or 150cc 4 stroke, maximum of 15yrs old at start of season |
29 | Mini 65 | K | None | White w Black | 1K, 2K, 3K, ...., 100K | Mini Bikes eligible for the 65cc class need to meet these requirements (max): Displacement: 65cc (110cc four stroke) Front Tire: 14", Rear Tire: 12", Wheelbase: 45.0", Seat Height: 30.0" |
30 | Mini 50 | J | None | White w Black | 1J, 2J, 3J, ...., 100J | Mini Bikes eligible for the 50cc class need to meet these requirements (max): Displacement: 50cc (78cc four stroke) Front Tire: 14", Rear Tire: 12", Wheelbase: 45.0", Seat Height: 30.0" |
31 | ||||||
32 | ||||||
33 | Available Letters: H, I, N, O, Q, if possible don't use N as it is used to indicate a national number during AMA events. | |||||
34 | Notes: | |||||
35 | 14 is the minimum age for all big bike classes. 12-14 year olds can be granted an exception by SIDRA and promoting club | |||||
36 | Class determines rider skill, A (fastest), B, C (beginner) | |||||
37 | Division determines whether you are unlimited, veteran, senior, etc. |