his product is composed of two 7075 aluminum pulleys (11t) with full ceramic sealed bearings.
If you cannot find OSPW that fit you current derailleur, theses pulley Ceramic Pulley wheels are made for you !
Very easy to mount, and fit with lots of references :
Compatible with groups that have 11 and 12 tooth pulleys like
– Shimano : Tiagra / Deore / 105 / GRX / Ultegra / Dura-Ace
– Shimano 12 Speed : Ultegra / Dura-Ace
– Sram 11 & 12 Speed : AXS / eTap / Red / Force / Rival / XPLR
– Campagnolo : 12-speed Super Record EPS, Mechanical Super Record, Record and Chorus
Designed by our French Engineers these NOVA Ceramic Pulley Wheels for rear derailleur improve the fluidity of your transmission, enhance efficiency to satisfy the most demanding. Made in very high-end materials: 7075 Aluminium and ceramic bearings.
These option enable you to Upgrade your derailleur with a more affordable price Two Oversized aluminum wheels, which coupled with ceramic bearings decrease the chain winding angle with minimal friction.
Weight : 11 g per pulley
Watt saved : 3 W