Rennen

Rennen 4 Bolt Chainring Not Threaded The Rennen BMX 4-bolt chainring is machined from aircraft grade 7075-T6 aluminum in the USA by the Rennen Design Group. Built-in chainring bolt nuts eliminate the...

RENNEN ADJUSTABLE CRANK Rennen Adjustable Crank takes the guesswork out of what crank sizes should be used. Adjust your childs crank size between practice sessions with a single wrench. Never before...

RENNEN CHAINRING 104MM THREADED Rennen Chainring 4 bolt 104bcd Threaded Aluminum 7075-T6 chainring Built-in chainring bolt nuts eliminate the need for a chainring bolt wrench.  CNC...

Rennen 4-bolt, 104-bolt pattern chainrings are 5-millimeters thick, available in 36T through 46-tooth sizes. They’re compatible with 3/32” and 1/8” chains. Chainring bolt holes are threaded so...

Rennen Chainring Sprocket 5 Bolt Black Rennen Chainring Sprocket 5 Bolt Black DESCRIPTION:Rennen Pentacle 110mm 5 bolt Chainrings are precision machined from aircraft quality 7075-T6 Aluminum ( 83%...

Rennen Decimal Chainring This is the Rennen Decimal Chainring in 4-bolt 104bcd or 5bolt 110bcd. 104-bolt pattern chainrings are 5-millimeters thick, available in the decimal sizes shown in the...

The Rennen Hive Mini Crank The Rennen Hive Mini Crank is the lightest square taper crank available. We have spent the last few months testing, optimizing and refining the design to create the most...

RENNEN ULTRALITE SPIDER   The Rennen Ultralite Spider is the lightest 5 bolt Crank spider available. Specs: Lightest at 32grams 5 bolt 110mm BCD Extraction feature of the spider just like what...