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Product Information


Rennen Sprockets are precision machined from aircraft quality 7075-T6 Aluminum ( 83% stronger than 6061) and polished to a beautiful luster or available in Stealth Black, offering the highest performance at the right price. Rennen Chainrings are 3/16" thick and are made to take the abuse of the BMX Track or a east coast muddy rocky SS ride. Only Rennen Sprockets offer a single speed specific tooth profile which have been designed to extend tooth life. At 2.8oz (79 grams, 38T) this makes Rennen Chainrings one of the lightest on the market.
Rennen was the first to introduce Integrated Chainring bolt nuts on our 110mm BCD chainrings, Now you can get the same great innovation for our 104BCD 4 bolts. With our newest Chainring innovation you will never have to use a chainring wrench again. We have machined into the gears the internal Threads increasing accuracy and eliminating the frustration.

Chainrings are available in all sizes from 32T- 52T, 104mm BCD compatible and will work with 8 & 9 speed chains.

Chainrings are available in all sizes from 33T- 50T, 110mm BCD compatible and will work with 8 & 9 speed chains.




Material: 7075-T6 Aluminum
Size: 32T- 52T, 104mm BCD (Available also for each size in decimals .1, .2, .7, .8 & .9. Decimal .1, .8 & .9 are Special Order Only)
Color: Available in Black (Blue, Gold, Polished & Red are Special Order Only)
Weight: 79 Grams / 2.8 Ounces (38T chainring weight used as a reference)


NOTE: Colors besides Black and decimals besides .2 & .7 are for SPECIAL ORDER ONLY. Please call in your SPECIAL ORDER to specify quantity, size and color. Inbound shipping not included in price.


Product Code: 2175-010



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