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Description
Bullit 4 C 70The Bullit 4 is Santa Cruzs most capable eMTB yet a full power enduro machine that rides like a downhill bike and climbs like its got something to prove. With 170mm of travel, mixed wheels, and SCs most aggressive geometry to date, its built to handle steep, technical descents with composure and control. And thanks to the Bosch Performance Line CX system, it gets back to the top without missing a beat. Every detail of the Bullit 4 has been engineered
The Bullit 4 is Santa Cruz’s most capable eMTB yet — a full-power enduro machine that rides like a downhill bike and climbs like it’s got something to prove. With 170mm of travel, mixed wheels, and SC’s most aggressive geometry to date, it’s built to handle steep, technical descents with composure and control. And thanks to the Bosch Performance Line CX system, it gets back to the top without missing a beat.
Every detail of the Bullit 4 has been engineered for abuse, precision, and repeat sendability — from the oversized bearings and enclosed downtube to the size-specific geometry and dialed 4-bar suspension. It's the bike for riders who want it all: big travel, big power, and the freedom to ride more trails, more often.
FEATURES:
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170mm Front & Rear Travel: Maximum suspension travel delivers true downhill performance — plush on the hits, planted in the chunk.
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Bosh Performance Line CX Motor: With 85 Nm torque and 600 watts peak power (Now user upgradeable to 120 Nm torque & 750 watts peak power), this system delivers a smooth, powerful ride with quiet, responsive performance, smart display, wireless controls, seamless Bosch Flow App integration, and proven reliability.
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Aggressive, Adjustable Geometry: Slackest HTA (63.3°) and steepest STA (up to 78.7°) of any SC eBike, with flip chips for both geometry and progression tuning.
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Durable Carbon Frame: Available in C and CC options under 50 lbs, with oversized bearings, one-piece link, and reinforced frame details.
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Mixed-Wheel Setup: 29" front / 27.5" rear for playful, nimble handling that counterbalances the battery’s weight for confident descents.
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Ride-Ready Details: Tool mount under the toptube, long dropper compatibility, and no-special-tools serviceability.
SPECS:
| Frame | Carbon C MX 170mm Travel, 4-Bar |
| Fork | RockShox Zeb Base, 170mm |
| Rear Shock | FOX Float X Performance, 205x65 |
| Rims/Wheels | Reserve 30|HD AL |
| Hubs | [F] SRAM MTH 716, 15x110, 6-Bolt, 32h [R] SRAM MTH 746, 12x148, HG, 6-Bolt, 32h |
| Spokes | N/A |
| Tires | [F] Maxxis Assegai 29"x2.5", 3C, MaxxGrip, Double Down [R] Maxxis Minion DHRII 27.5x2.5, 3C DoubleDown |
| Crankset | E13 Helix eSpec, 155mm |
| Chain | SRAM 70 Eagle T-Type, Flattop, 12spd |
| Chain Guide | OneUp Chainguide |
| Front Derailleur | N/A |
| Rear Derailleur | SRAM 70 Eagle T-Type, 12spd |
|
Cassette/Rear Cogs
|
SRAM XS1270 Eagle T-Type, 10-52 |
| Shifters | SRAM 90 Eagle T-Type, Single Click,12spd |
| Handlebars | Burgtec Aluminum Bar, 800mm, 20mm Rise (S), 35mm Rise (M-XXL) |
| Stem | OneUp Stem, 42mm |
| Brake Levers | N/A |
| Brakes | SRAM DB8 w/ Centerline 200mm Rotor |
| Pedals | Sold Separately |
| Saddle | SDG Bel-Air V3, Max Steel |
| Seat Post | OneUp V3 Dropper Post, 31.6 |
| Motor | Bosch Performance CX BDU38 |
| Battery | Bosch PowerTube Battery 600Wh |
|
Display/Controller
|
N/A |
|
Max Assisted Speed
|
20mph |
| Charger | Bosch |
|
Accessories & Extras
|
N/A |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 568 reviews
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Product Reviews
★★★★★ 4
Great Outdoor Pickleballs for Practice and Games
Size: 6 Pack, Color: Multi
These pickleballs have been great overall for outdoor play. The colors are bright and easy to see on the court, which is especially helpful during evening games or when playing on darker surfaces. They have a consistent bounce and feel durable compared to some cheaper pickleballs I’ve tried before.
I also like that they fly pretty true and don’t wobble too much during rallies. They work well for both casual games and more competitive practice sessions. The balls feel solid off the paddle and provide a good balance of speed and control.
The only reason I’m giving 4 stars instead of 5 is because a couple of the balls started showing small cracks after extended outdoor use on rough courts. They still lasted longer than many other brands, but I expected slightly better durability considering the price. They can also feel a bit harder than some softer outdoor balls, especially in colder weather.
Overall though, these are reliable pickleballs and definitely a good choice for outdoor play. I’d buy them again for practice and recreational matches.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
The best outdoor pickleballs.
Size: 12 Pack, Color: Optic Yellow
These pickleballs are much cheaper than found in stores. Great quality. Rates at the top when researching the best outdoor pickleballs. This a no brainer, a must buy if you play the game.
Well packaged. Fast delivery. The best price!
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Good quality
Size: 3 Pack, Color: Optic Yellow
These are really good quality. The color is easy to see on the outdoor court, especially when the sun is bright. Definitely has good bounce to them.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Franklin X-40 vs. Dura Fast 40 (vs. Onix)
Size: 12 Pack, Color: Optic Yellow, Size: 12 Pack, Color: Optic Yellow
Review order:
Review summary (quick read)
Review update (4-13-2021)
Full review (long read)
Summary:
This review might save you a lot of time researching balls, but here's the summary if you don't want to read the full review... For 4.0+ play consider the Dura Fast 40 when preparing for certain tournaments, but expect only about 2 games per ball, which is quite annoying in my opinion... for 95% of players, definitely go with the Franklin X-40 (except when preparing for a Dura only tournament of course). If you just want the ball to last and last year after year and don't care at all about egging or quality of play consider the much softer and much slower and much bouncier Onix ball. The Onix ball is so soft that I can't recommend it for typical play, but it is actually an excellent choice when introducing new players to the game and it is often the preferred ball in 65+ play if mobility becomes a common issue because extra bounce = extra time to get there, but in my area many older players seem to play the X-40 just fine.
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Update: 4-13-2021:
Popularity: Almost everyone in my area is playing the Franklin X-40 in every park. I finally saw a Dura in play yesterday, but it's been a long time! Outdoor tournaments in my state are now about 60% X-40 and about 40% Dura (Washington), so even in tournament play the Dura seems to be going out pretty quick.
Seasonal durability of X-40: for the first year I don't think my group cracked a single X-40 (despite having a faster paced game), but using that same batch of balls this Spring, they've all been dropping like flies so now my 1 year old batch of X-40's probably isn't much more durable than brand new Dura's (very annoying to deal with those cracks). I just bought new X-40's yesterday and I'll be discarding the few X-40's that are left from last year when the new stock arrives. It will be new X-40's for me once a year from now on assuming quality doesn't slide... fresh manufacturing is apparently very important, so hopefully Franklin will keep their runs moderate, and maybe that's what Dura did wrong.(?)
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Full review:
This review will focus largely on the physical & quality comparisons between the Franklin Outdoor X-40 pickleball and the Dura Fast 40 pickleball, but I'll also give a summary of my impressions from the mouth of experts and supplement also by my own amateur impressions and measurements.
Dura hole specs: 16 drilled holes @ 0.325" & 24 drilled holes @ .264"
Franklin hole specs: 40 drilled holes @ 0.288"
Both balls have 40 holes with an average hole size of 0.288", but the Dura ball has a far more randomized hole pattern. I personally didn't notice any difference in spin characteristics or any notable advantage to the randomized hole pattern of the Dura.
Franklin weight: 26g
Dura weight: 25g
Both balls are rotationally molded in one continuous piece so the seam is just as strong as the rest of the ball on either ball... the appearance of a seam is on the outside of the ball only but the visual molding mark is not actually separated in any way in the middle of the ball and the inside of the ball will likewise appear 100% seamless on either ball, so no true seam exists (both balls are true "1-piece" balls). The Dura ball has much smoother molding marks w/ no plastic flashing like the Franklin... this is primarily cosmetic but quality in this regard definitely goes to the Dura.
Subjective color preference: in the shade I think the Dura "Neon" color looks better (see pic), but in typical full sun the green tint looks dingy on the Dura ball in my opinion, and I feel the Franklin "Optic Yellow" is a crisper color that's probably a little more visible. These are the only 2 ball colors I have to compare. I would prefer more dye to be used for a green ball so it still looks green in full sun because in my experience with disc golf and ball golf neon green is the most visible color and neon pink is good too... with these 2 options I'd pick the yellow... the green tint on the Dura is so subtle in full sun it ends up looking more like a dingy yellow rather than a green. A more apples to apples comparison would be Dura's yellow option but I'm pretty confident Franklin would win that contest also based on the notably higher translucency in the plastic used by Dura. Color: Franklin wins.
Franklin X-40 country of origin: China
Dura Fast 40 country of origin: Vietnam
- - EXPERT INSPIRED IMPRESSIONS - -
From what I've gathered, expect much longer play per dollar out of the Franklin and expect very little life out of the Dura. Dura's are supposed to be a little harder/better/faster, but they often only last a few games based on everything I've read and heard. For older players consider the Onix over either of these balls... softer balls bounce higher and hit slower which allows more time to get to the ball for longer rallies... the Onix seems to be the favorite for play in older aged groups.
Based on expert advise from the "pickleball kitchen" youtube channel...
Best performance award (fastest, hardest): Dura Fast 40
Best Value (also w/ great performance): Franklin Outdoor X-40 - - - except high level players should opt for the Dura due to tournament requirements (note: this observation may be outdated... check tournaments in your state to verify what local tournaments are still using the Dura in your area and which tournaments have switched to the X-40)
Longest lasting, but soft and bouncy: Onix
Note: I have not seen a single outdoor tournament publish the Onix as their ball.
My personal recommendation for most players based on a lot of reviews and some research and a close look would be to skip the Dura and go straight to the Franklin X-40 until you're playing tournaments... if/when you advance to the level of playing serious tournament play I don't think it would take long to transition muscle memory and power from the Franklin outdoor ball to the Dura ball and a lot of money and annoyance can be saved w/ the Franklin over the very brittle Dura... Franklin X-40 balls don't last very long either (according to some... possibly old stock), but compared to the Dura it's a notable improvement strongly worth considering even if you're a quality buff like myself.
Manufacturing quality: Dura wins
Material durability: Franklin easily wins and Onix lasts much longer still if you don't mind a notably slower game (more similar to indoor) and more egging.
Quality of play: Mixed... many elite players prefer the extra speed of the Dura, but I prefer the consistency of virtually everyone using the same ball and even more notably, I'd rather sacrifice just a little speed to get the higher consistency / predictability / reliability of an uncracked ball and I find it distracting to look for cracks all the time.
Value (w/o sacrificing much): Franklin
Despite the long read, I'm hoping this helps the reader save some time in selecting a pickleball, especially for players new to the game.
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Reviewed in the United States on August 15, 2020
★★★★★ 5
Comfortable and Effective Ear Plugs for Swimming
Color: Multicolored 1, Size: 1 pair (Pack of 3)
I picked up these ear plugs for swimming and was pleasantly surprised by how well they work. They’re soft and flexible, so they fit comfortably without feeling like they’re digging into your ears, even during longer swim sessions.
They do a great job keeping water out whether you’re in a pool or just showering, and they stay in place well without constantly needing adjustment. I also like that they’re reusable and easy to rinse off and store after use.
Overall, this is a solid set of swim ear plugs that are comfortable, practical, and easy to use. A good choice if you spend a lot of time in the water and want something reliable.
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Reviewed in the United States on February 1, 2026