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Forget the 29er’s of the past. The Yeti SB4.5 frame is designed specifically to optimize the 29" wheel platform and has a distinctly different personality. Riders will feel perfectly balanced between the wheels instead feeling top heavy or awkward. The proficient Switch Infinity suspension platform and short chainstays make this bike feel effortless on climbs and lively and plush on descents. For a bike that so clearly excels at climbing, the SB4.5 is incredibly balanced because of its long top tube and slack 67.4-degree head angle. Coupled with a optimal chainstay length and Switch Infinity suspension the SB4.5 feels more capable that a traditional 4.5” travel bike.
The Switch Infinity is a simple, lightweight, bombproof system built by Fox Racing Shox from proven suspension components and engineered and tested to withstand the worst riding conditions. They only use the best components in its construction such as Kashima coated stanchions for low friction and durability, seals and bushings that are used in Fox’s off-road racing division, and a lightweight forged translating pivot. These parts have been field tested for over three years and the original bushings, seals, and stanchions are still in perfect working condition.
A more than capable component package highlighted by Shimano reliability. Nothing climbs like a 29-er and the SB4.5 is no exception. Add on a Shimano XT 11x46 rear cassette and you have yourself a relentless ascender. When the trail goes down, the SB4.5 Carbon XT/SLX Fox Performance suspension comes alive atop Yeti’s Switch Infinity platform.
|Frame||High modulus carbon fiber Yeti SB4.5 29er frame and swing arm, Switch Infinity suspension system, Internal cable routing|
|Fork||Fox 34 Performance 140mm BOOST|
|Rear Shock||Fox Float Performance|
|Headset||Cane Creek 40 Inset Taper|
|Rear Derailleur||Shimano XT|
|Crankset||Race Face Affect 30T|
|Bottom Bracket||Shimano BB92|
|Cassette||Shimano XT 11-46|
|Wheelset||DT Swiss M1900 BOOST|
|Tires||Maxxis Ardent EXO 2.4 Tubeless (f) / Maxxis Ardent EXO 2.25 Tubless (r)|
|Handlebar||Race Face Evolve 750mm|
|Stem||Race Face Ride 60mm|
|Seatpost||Race Face Turbine Dropper Post|
|Saddle||Yeti / WTB Custom|
Note: Components are subject to change without notice.
|A: Seat Tube Length||419
|B: Effective Top Tube||579
|E: BB Height||334
|F: BB Drop||-||-||-||-|
|G: Head Tube Length||90
|H: Head Tube Angle||67.4 °||67.4 °||67.4 °||67.4 °|
|I: Seat Tube Angle||73.3 °||73.3 °||73.3 °||73.3 °|
|J: Standover Height||751
|K: Chainstay Length||437
|Suggested Rider Height||160 -170 cm||170 - 180 cm||180 - 191 cm||185 -198 cm|
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Some manufacturers restrict where we can ship their products. If this item has shipping restrictions, they are listed below. If you'd like to buy an item that we cannot ship to your preferred address, we can accept your foreign credit card and ship to a USA address for you.
Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large itemsDue to manufacturer restrictions, this product cannot be shipped to the following locations:
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Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.
Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.