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CeramicSpeed OSPW Alpha Team Shimano GRX/XTR/XT 12-speed Di2
Sale price
$699.00
Regular price
$699.00
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SKU: 117270 Option: Silver
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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CeramicSpeed OSPW Alpha Team Shimano GRX/XTR/XT 12-speed Di2
$699.00
CeramicSpeed OSPW Alpha Team Shimano GRX/XTR/XT 12-speed Di2 Info
The CeramicSpeed OSPW Alpha Team Shimano GRX/XTR/XT 12-speed Di2 is an off-road-specific oversized pulley wheel system built for Shimano's GRX, XTR, and XT 12-speed Di2 derailleurs. Where CeramicSpeed's road-going OSPW systems chase pure aerodynamics, this cage borrows its shape from the OSPW RS road platform but is reinforced for the loads and impacts of gravel and cross-country riding. It's a drivetrain upgrade built around durability first, with the efficiency gains that come standard with CeramicSpeed's pulley technology.
The system runs 14-tooth and 20-tooth ALPHA Disc pulleys with a composite tooth profile, which cuts drivetrain noise and resists wear better than a bare aluminum tooth. The solid aluminum disc design closes off the pulley's spokes entirely, so mud, sticks, and trail debris have nowhere to wedge themselves in — a real consideration on a system meant for gravel and cross riding rather than a clean road drivetrain. Inside each pulley, CeramicSpeed's patented ADR bearing protection pairs a stainless-steel dust cover with a bladed groove structure that actively flings contaminants away from the bearing as it spins, backing up the hand-built hybrid ceramic bearings underneath.
It's compatible with both 9-45 and 10-51 cassette ranges, though CeramicSpeed notes that range isn't optional on Shimano's own stock cage — this system is what unlocks it. Complete OSPW systems built with ALPHA pulleys carry a lifetime warranty, which matters on a component that's going to see mud, water crossings, and rock strikes over its life. At 127 grams, the weight penalty for that extra protection is minor, and the system is available in Black or Silver to match a gravel or cross build.
The RA Perspective
We'd point a rider toward the OSPW Alpha Team when the drivetrain is spending real time in mud and grit, not just clean gravel roads. The sealed aluminum pulley discs are the detail that stands out on a bike that sees actual off-road use — there's no open spoke pattern for a stick or a pebble to jam into mid-ride, which is a failure mode we've seen on lighter road-style pulleys pushed into gravel duty.
The ADR bearing protection is doing real work here too. On a road bike, bearing contamination is a slow problem. On a gravel or cross bike running through puddles and loose dirt, it happens fast, and CeramicSpeed backing the whole system with a lifetime warranty tells you they're confident in that seal holding up.
The tradeoff is price relative to a stock Shimano pulley setup — this isn't a budget component, and the gains are more about long-term durability and quieter running than a dramatic speed difference. Riders chasing marginal aero gains should look at CeramicSpeed's road-specific systems instead; this one is built for abuse, not wind tunnels.
We'd reach for this on a gravel race bike or a cross bike that sees a full season of racing, where a reliable, quiet drivetrain that shrugs off mud matters more than shaving grams.
PRICE MATCH GUARANTEE
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