SPCE BMX cog – onyx compatible

62,49

The SPCE stainless steel cog for BMX racing is a performance booster that doesn’t compromise on quality!

    • Type : rear sprocket for onyx Single-speed cassette
    • Size : 28 and 30 teeth – 5 mm
    • Weight : 39 to 43 g depending on the number of teeth
    • Colour : silver
    • Material : stainless steel
    • Treatment: heat-treated

Choose your SPCE rear sprocket

SPCE drivetrain kit - onyx compatible - BMX Race - AllYoogs
Original price was: 391,56€.Current price is: 381,40€.
Kit transmission SPCE - onyx + outillages BMX Race - AllYoogs
Original price was: 466,44€.Current price is: 449,99€.

Description

The SPCE BMX cog is compatible with “Onyx ultra SS” freewheel hub.

The SPCE stainless steel rear sprocket is machined by CNC in France. This material guarantees lightness and, above all, high resistance thanks to the heat treatment. This treatment increases hardness and durability.

The SPCE drivetrain kit is a definite advantage for riders. In fact, our SPCE drivetrain brings a measured gain of between 2 and 2.8% on lap times.

We offer a wide range of gear ratios. We recommend you take a look at our development tables to choose the right rear sprocket and increase your performance.

  • Our SPCE BMX cog is suitable for all rider categories, including “Elite”.
  • Use of the SPCE chain tensioner is mandatory to achieve the advertised results!
  • Cog only compatible with the SPCE chain, chainring and chain tensioner.
  • Specific tools
  • UCI approved
  • Patent pending
  • Drapeau français Designed and developed by AllYoogs®. Made in France

To learn more about the concept of our chain kit, we recommend you read our article.

Special features :​

* Our SPCE Drivetrain kit fits all BMX frames except the following brands : Meybo HSX, GT, 4NIX, the Onyx Pro and the Meybo instant-engagement hubs.

1. Development calculated in mm with a 20 x 1.3/8 tyre
In the table below, find the value indicated at the intersection of the front sprocket and the rear sprockets. For example: rear sprocket = 16 and front sprocket = 42. The value to be taken into account = 442.0
CLASSIC FRONT SPROCKET 4-bolt 104 mm – 20 x 1.3/8 TYRE
REAR SPROCKET404142434445
18374.2383.6392.9402.3411.6421,0
17396.2406.1416.0425.9435.8445,7
16421.0431.5442.0452,5463,1473,6
15449,0460,3471,5
To obtain the SPCE equivalence : In the table, find the value that is closest to the one found in the table above (equal or greater value). Example with 442.0 : we advise you to use a 30 rear sprocket with a 79 front sprocket.
AllYoogsSPCE FRONT SPROCKET 4-bolt 104mm – 20 x 1.3/8 TYRE
SPCE REAR SPROCKET757677787980
30421,0426,6432,2437,8443,4449,0
2. Development calculated in mm with a 20 x 1.6 tyre

In the table below, find the value indicated at the intersection of the front sprocket and the rear sprockets.

For example : – rear sprocket = 16 and front sprocket = 45. The value to be taken into account = 436.3
– rear sprocket = 17 and front sprocket = 49. The value take into account = 447,1

CLASSIC FRONT SPROCKET 4-bolt 104 mm – 20 x 1.6 TYRE
REAR SPROCKET40414243444546474849505152
18344,7353,3361,9370,6379,2387,8396,4405,0413,6422,3430,9439,5448,1
17365,0374,1383,2392,4401,5410,6419,7428,9438,0447,1456,2465,4474,5
16387,8397,5407,2416,9426,6436,3446,0455,7465,4475,0484,7494,4504,1
15413,6424,0434,3444,7455,0465,4475,7486,0496,4506,7517,1527,4537,7

To obtain the SPCE equivalence :

In the table, find the value that is closest to the one found in the table above (equal or greater value).

Example with 436,3 : we advise you to use a 28 rear sprocket with a 79 front sprocket.
447,1 :  we advise you to use a 28 rear sprocket with an 81 front sprocket.

AllYoogsSPCE FRONT SPROCKET 4-bolt 104 mm – 20 x 1.6 TYRE
SPCE REAR SPROCKET7576777879808182838485
30387,8393,0398,1403,3408,5413,6418,8424,0429,2434,3349,5
28415,5421,0426,6432,1437,7443,2448,7454,3459,8465,4470,9

3.  Summary calculated in mm with a 20 x 1.6 tyre inflated to 6 bars
Overall summary of the conversion table. Reference calculation: (SPCE front sprocket ÷ SPCE cog) x 16 = standard front sprocket Development = distance covered in cm by the rear wheel during one pedal turn
SUMMARY STANDARD/SPCE conversion table – 20 x 1.6 TYRE
Development387,8393,0398,1403,3408,5413,6415,5418,8421,0424,0426,6
Front sprocket40,0040,5341,0741,6042,1342,6742,8643,2043,4343,7344,00
Rear sprocket1616161616161616161616
SPCE Front sprocket7576777879807581768277
SPCE Rear sprocket3030303030302830283028
Development429,2432,1434,3437,7439,5443,2448,7454,3459,8465,4470,9
Front sprocket44,2744,5744,8045,1445,3345,7146,2946,8647,4348,0048,57
Rear sprocket1616161616161616161616
SPCE Front sprocket8378847985808182838485
SPCE Rear sprocket3028302830282828282828
4. Development calculated in mm with a 20 x 1.75 tyre

In the table below, find the value indicated at the intersection of the front sprocket and the rear sprockets.

For example : – rear sprocket = 16 and front sprocket = 44. The value to be taken into account = 437.2
                                – rear sprocket = 17 and front sprocket = 47. The value take into account = 439.5

CLASSIC FRONT SPROCKET 4-bolt 104 mm – 20 x 1.75 TYRE
REAR SPROCKET40414243444546474849505152
18353,3362,1370,9379,7388,6397,4406,2415,1423,9432,7441,6450,4459,2
17374,0383,4392,7402,1411,4420,8430,1439,5448,8458,2467,5476,9486,2
16397,4407,3417,3427,2437,2447,1457,0467,0476,9486,8496,8506,7516,6
15423,9434,5445,1455,7466,3476,9487,5498,1508,7519,3529,9540,5551,1

To obtain the SPCE equivalence  :

In the table, find the value that is closest to the one found in the table above (equal or greater value).

Example with 437.2 : we advise you to use a 28 rear sprocket with a 77 front sprocket.
                                439,5 : we advise you to use a 30 rear sprocket with an 83 front sprocket.

AllYoogsSPCE FRONT SPROCKET 4-bolt 104 mm – 20 x 1.75 TYRE
SPCE REAR SPROCKET7576777879808182838485
30397,4402,7408,0413,3418,6423,9429,2434,5439,8445,1450,4
28425,8431,5437,2442,8448,5454,2459,9465,5471,2476,9482,6

5.  Summary calculated in mm with tyre 20 x 1.75 inflated to 6 bars

Overall summary of the conversion table.

Reference calculation: (SPCE front sprocket ÷ SPCE cog) x 16 = standard front sprocket

Development = distance covered in cm by the rear wheel during one pedal turn

AllYoogsSPCE FRONT SPROCKET 4-bolt 104 mm – 20 x 1.75 TYRE
SPCE REAR SPROCKET7576777879808182838485
30397,4402,7408,0413,3418,6423,9429,2434,5439,8445,1450,4
28425,8431,5437,2442,8448,5454,2459,9465,5471,2476,9482,6

Additional information

Weight 0,056 kg
Dimensions 24 × 18 × 1 cm
Size

28 teeth, 30 teeth, 32 teeth, 34 teeth

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