Working closely with Cervélo and their wind tunnel testing results, XLAB developed an aerodynamic single rear system specific to Ritchey clamp seat posts with a 10 mm horizontal rear hole. Fits seat posts with 10 mm horizontal hole.
The only single bottle carrier compatible with 10mm horizontal hole seatposts!
Ideal for rear-ward saddle positions or long backed saddles. .8" longer than standard Delta Sonic
Strong and sturdy mount eliminates rear carrier sway
Gorilla Cage has a tight 7lb grip on bottles eliminating unexpected launches.
Carry your repair with the optional Multi-Strike Repair Holder
The Delta Sonic XL allows the bottle to be close to the saddle, hiding in the rider’s draft and provides clean air flow.
Reliable & Customizable
The Delta Sonic XL fits snug into the seat post providing a sturdy non-sway bottle mount, for fast and safe access to your bottle. The Delta Sonic XL rod can slide along the seat post for the best customized fit for you. XLAB recommends a 1" insertion minimum into the seatpost.
XLAB has found these bikes to be compatible with the DELTA SONIC XL.
Optional Accessories for Cervélo P5, 2013 Cervélo P3 and BH Aero
Pair the Delta Sonic XL with the aerodynamic Stealth Pocket 200 or Stealth Pocket 300. Bags mount to the top tube on the 2 bolt bosses. Capacity of 20.4 cu.in, these bags can hold the longest energy bars plus some gels and salt tablets.
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