Item code 1901: Genuine Honda CBR 125 DID chain 428 sprocket set 2004-2010 Price: 38.95 USD
In kit:
1 pcs. DID chain 428 - 126
1 pcs. front sprocket optional 15-16 T
1 pcs. rear sprocket optional 42 - 40 - 36 - 34 T

Item code 1902: Genuine Honda CBR 125 DID chain 428 sprocket set 2011-2017 Price: 38.95 USD
In kit:
1 pcs. DID chain 428 - 126
1 pcs. front sprocket optional 15-16 T
1 pcs. rear sprocket optional 43 - 42 - 40 - 38 T

Transmission rates:

Item code 1903: racing 420 chain highspeed set with alloy rear spocket 2004 - 2010 Price: 51 USD
( 6 spoke wheel type bike ) Front 15 / rear 40

Racing parts, change from default 428 set to 420. Smaller chain set lower transmission resistance, and total weight the set only 1230 Gram.

Item code 1904: High speed 415 ultralight high revolution chain set 2004 - 2010 Price: 39.99 USD
Front 15T, rear 40T. Gear rate longer 5%. Pic: 1 2 3 4

Item code 1905: Sporty 415 ultralight chain set with alloy rear spocket 2010 - 2017 Price: 69.95 USD
Ultralight develop, only half price, low friction, 415 size STD gear drive chain 15-43T. Faster acceleration, lower fuel consumption and a feeling of greater power. Pic: 1 2 3 4

Item code 1906: Racing 415 ultralight chain set with alloy rear spocket 2004 - 2010 Price: 84.95 USD
Item code 1907: Racing 415 ultralight chain set with alloy rear spocket 2010 - 2017 Price: 84.95 USD
This is short transmission low friction chain set optimized for circuit raceway, there max speed 115-120 Km/h.
Short sprocket rate divide 6 gear for better acceleration.
Front Optional 13-14 T, rear - 48T. (+10 USD all front sprockets) Chain long 130. Alloy rear big sprocket only 250 Gram.
415 type chain small friction resistance.

Item code 1907: Racing 415 ultralight chain set with alloy rear spocket 2010 - 2017 Price: 84.95 USD
This is short transmission low friction chain set optimized for technical circuit raceway, much acceleration, there max speed 115 Km/h.
Short sprocket rate divide 6 gear for better acceleration.
Front 13T, rear - 49T. Chain long 130. Alloy rear big sprocket special develop, only 249 Gram. It weighs half as much as the factory 43T steel sprocket
415 type chain small friction resistance. Pic: 1 2 3 4 5

Item code 1908: Raceway 428 chain set with steel rear spocket 2004 - 2010 Price: 69.95 USD
Extra short gear set. Front optional 13/14 (+10 USD all front sprockets) rear 49T Chain 132. Pic 1 2 3

Item code 1909: Raceway tech 428 chain set with steel rear spocket 2004 - 2010 Price: 79.95 USD
Extreme short gear set. Front optional 13/14 (+10 USD all front sprockets) rear 52T Chain 136. Pic 1 2 3 4