Kona Hei HeivsSanta Cruz Blur

Despite the Santa Cruz Blur having slightly less fork travel than the Kona Hei Hei, its geometry for the selected sizes (Blur Large vs. Hei Hei Medium) is actually steeper and slightly less stable, suggesting a more aggressive, race-focused posture rather than a purely downhill-oriented one. This unexpected difference hints at fundamental design philosophies that set these two short-travel 29ers apart. While both bikes live in the cross-country to light trail spectrum, their approaches to speed, comfort, and capability diverge significantly.

Kona Hei Hei
Santa Cruz Blur

Overview

The Kona Hei Hei and Santa Cruz Blur occupy the fiercely competitive realm of short-travel mountain bikes, but their interpretations of 'fast fun' differ. Kona positions the Hei Hei as a versatile "downcountry" or light trail bike, shedding its pure XC racing legacy for a more robust and confidence-inspiring ride. It offers 120mm of rear travel paired with a 130mm fork, focusing on a comfortable, capable all-rounder suited for long days and varied terrain, often leaning into a more traditional, mechanical component philosophy for its builds. Reviewers frequently laud its ability to make everyday trails more engaging, without feeling overly nervous when things get rowdy. In contrast, the Santa Cruz Blur is unashamedly a cross-country race machine, even in its slightly longer-travel 'TR' iteration (115mm rear, 120mm fork). Santa Cruz prioritizes featherlight construction and a suspension design tuned for maximum efficiency and traction under power. While capable on descents, its primary goal remains getting to the top of the climb as fast as possible. High-end Blur builds often feature electronic drivetrains and remote lockouts, reflecting a no-compromise approach to race-day performance, albeit at a significantly higher price point. The Hei Hei's latest generation has shifted from a flex-stay to a linkage-driven single pivot, aiming for greater compliance, while the Blur's 'Superlight' flex-stay design focuses on minimal weight. This distinction means the Hei Hei often feels more supportive and settled, whereas the Blur, particularly its XC variant, is a precision instrument for riders focused on squeezing out every watt. Riders will find the Kona offers excellent value for its capable spec, while the Santa Cruz demands a premium for its top-tier race pedigree and cutting-edge technology.

Ride and handling

The Kona Hei Hei G10 delivers a remarkably relaxed and comfortable ride quality, frequently described as an excellent all-rounder. Reviewers like QuarterHP found it "far more relaxed, far more comfortable, and to my mind, a far better all-rounder when it comes to general mountain biking on a wider remit of trails." This comfort is a cornerstone for its appeal, making it a low-fatigue choice for extended rides. Its updated 'Swinger' suspension, a linkage-driven single pivot with 120mm of rear travel, is praised for being supportive and plush, absorbing small bumps effectively and providing ample traction on technical climbs. While some pedal bob is present with the shock fully open on smooth terrain, engaging the lockout stiffens the platform, though some reviewers noted they rarely felt the need to use it due to the bike's inherent efficiency and comfort. The Santa Cruz Blur V4, conversely, offers a ride defined by exceptional suppleness and traction, a consequence of its 'Superlight' single-pivot flex-stay suspension with typically 100mm or 115mm of rear travel. Reviewers consistently note its ability to "eat up trail chatter with ease" and provide a 'muted' feel that smooths out small vibrations. This focus on mechanical grip over stiff efficiency makes it a superb technical climber, with Henry Quinney from PinkBike noting it was the "fastest singletrack climber" in testing because it "sucks itself to the ground." However, this active suspension comes at the cost of noticeable pedal bob on smooth surfaces, with several reviewers needing to engage the remote lockout to prevent a "soggy" feel on fire roads or during sprints. When it comes to handling and responsiveness, the Hei Hei, with its 66-degree head angle and 435mm chainstays, is both lively and stable. It's often described as rewarding an "active riding style," being "easy to get airborne" and flicked around in tight corners, while maintaining composure on faster, rougher sections. Matthew Cusanelli at NSMB noted it "felt significantly more capable than previous experiences on bikes with this much travel." The Blur, despite often having steeper head angles (68.3° XC, 67.1° TR) and slightly shorter chainstays on smaller sizes, is characterized by precise steering and sharp handling. It excels at quick direction changes and feels "jibby and jumpy" for low-speed maneuvers. However, some testers found the Blur, particularly the TR version, to feel "flighty" or "twitchy" at high speeds compared to more stable downcountry bikes, demanding a more precise pilot rather than a relaxed passenger. Ultimately, the Hei Hei balances playfulness with composure, offering a versatile ride that feels at home on technical singletrack and flow trails alike, with an impressive ability to gobble up roots and keep the rider comfortable over long distances. The Blur, while also comfortable in its own way due to suspension compliance, is a more focused tool. It's a bike that prioritizes absolute efficiency and traction for aggressive climbing and racing, making fewer compromises on the way down than traditional XC bikes, but still demands a more active and precise approach to descending than the Kona. The choice between them often comes down to whether a rider prefers the Hei Hei's all-day comfort and forgiving playfulness or the Blur's surgical precision and race-bred urgency.

Specifications

Comparing these selected builds, the Santa Cruz Blur XX AXS FA RSV at $13,449 CAD is in a different league entirely than the Kona Hei Hei CR G10 at $6,299 CAD. The Blur's spec sheet screams World Cup racing, featuring RockShox Flight Attendant suspension, SRAM XX Eagle AXS T-Type with a power meter, and carbon Reserve 28|XC wheels with DT Swiss 180 EXP hubs. This represents a top-tier, electronically integrated system designed for instantaneous adjustments and minimal weight. The Hei Hei, on the other hand, embraces a mechanical, robust philosophy with its RockShox Pike Ultimate fork, Deluxe Ultimate shock, and SRAM Eagle 90 mechanical Transmission. Reviewers laud Kona for prioritizing premium suspension at its price point, with NSMB highlighting "top-end suspension over an upgraded rear derailleur or another wear item." Drivetrain and braking systems present a clear divergence in philosophy. The Blur's XX AXS T-Type offers precise, wireless electronic shifting and the benefit of a power meter, which is invaluable for serious training and racing. Its SRAM Level Ultimate Stealth 4-piston brakes with a 180mm front and 160mm rear rotor provide strong, consistent stopping power. The Hei Hei's SRAM Eagle 90 mechanical Transmission is celebrated by reviewers like The Radavist for its "sensible all-mechanical spec" and reliable, crisp shifts that are "faster shifting than wireless." Its SRAM Motive Bronze 4-piston brakes, with 180mm rotors front and rear, are also deemed "amply powerful." While the Blur's spec is arguably more advanced, the Hei Hei's mechanical setup is praised for its lower replacement cost and fewer electronic complexities, appealing to those who prefer simplicity and durability. Wheelsets and tires further illustrate the differing intentions. The Blur's Reserve 28|XC carbon rims on DT Swiss 180 EXP hubs are a premium, lightweight, and high-performance package designed for speed and responsiveness, paired with Maxxis Rekon Race 29x2.4 tires for minimal rolling resistance. In contrast, the Hei Hei uses WTB KOM Team i30 TCS 2.0 rims with DT Swiss 370 hubs, a solid but heavier aluminum setup, shod with Maxxis Dissector EXO TR 29x2.4WT tires. Reviewers noted the Dissectors are "far burlier" than typical XC tires and offer a "great compromise between traction and rolling efficiency," signaling Kona's lean towards rugged trail capability. This makes the Hei Hei's wheels a potential upgrade point for those seeking to shed weight, while the Blur's come race-ready. The Hei Hei's build, though not featherlight, is lauded as a "solid build with nothing in immediate need of upgrade" by NSMB, offering excellent value for its price, especially given the high-quality suspension.

HeiBlur
FRAMESET
FrameKona Race Light 6061 Aluminum Butted, 120mm travelCarbon C 29" 115mm Travel Superlight™
ForkFox 34 Float Rhythm, 130mm, tapered steerer, 110mm spacingRockShox Sid Base, 120mm, w/ 3-Position Lever
Rear shockFox Float RhythmFOX Rhythm, 190x45
GROUPSET
Shift leversSRAM Eagle 70SRAM 90 Eagle T-Type, 12spd
Front derailleur
Rear derailleurSRAM Eagle 70 TransmissionSRAM 70 Eagle T-Type, 12spd
CassetteSRAM 1270 Eagle T-TYPE, 10-52T, 12-speedSRAM XS 1270 Eagle T-Type, 10-52t
ChainSRAM Eagle 70 TransmissionSRAM 70 Eagle T-Type, Flattop, 12spd
CranksetSRAM Eagle DUB crankarms, 32T chainringSRAM 70 Eagle DUB T-Type Crankset, 34t
Bottom bracketSRAM DUB WIDE PF92SRAM DUB 73mm MTB Wide BB
Front brakeSRAM Motive Bronze, 4-piston (caliper/lever set)SRAM DB8
Rear brakeSRAM Motive Bronze, 4-piston (caliper/lever set)null
WHEELSET
Front wheelWTB ST i30 TCS 2.0; Formula, 110x15mm; Stainless BlackRaceFace AR Offset 27 29"; SRAM MTH 716, 15x110, 6-Bolt, 32h
Rear wheelWTB ST i30 TCS 2.0; Formula, 148x12mm; Stainless BlackRaceFace AR Offset 27 29"; SRAM MTH 746, 12x148, HG, 6-Bolt, 32h
Front tireMaxxis Dissector, EXO TR, 29x2.4"Maxxis Rekon 29"x2.4"WT, 3C MaxxTerra, EXO
Rear tireMaxxis Dissector, EXO TR, 29x2.4"Maxxis Rekon 29"x2.4"WT, 3C MaxxTerra, EXO
COCKPIT
StemKona XC/BC 35RaceFace Ride, 60mm
HandlebarsKona XC/BC 35RaceFace Ride, 10mm Rise, 35x760mm
SaddleWTB VoltSDG Bel-Air V3, Steel
SeatpostTranzX Dropper +RAD Internal, 31.6mm, w/ SRAM leverSDG Tellis Dropper, 31.6
Grips/TapeKona Key GripESI Chunky Grips

Geometry and fit comparison

When comparing the selected sizes – a Medium Kona Hei Hei and a Large Santa Cruz Blur – some interesting geometry differences emerge that dictate their on-trail feel. The Hei Hei (M) features a stack of 620.0mm and a reach of 449.0mm, while the Blur (L) presents a lower stack of 607.0mm but a longer reach of 458.0mm. This results in the Hei Hei offering a noticeably taller front end and a shorter reach for its size, contributing to a more upright and comfortable riding position that reviewers often describe as conducive to all-day comfort. Conversely, the Blur's lower stack combined with a longer reach encourages a more stretched-out, aggressive, and aerodynamic race posture, even with its slightly longer chainstays (436mm vs. 435mm for the Hei Hei). The head tube angles further define their handling characteristics. The Hei Hei's slacker 66.0-degree head tube angle creates a more stable, confidence-inspiring front end, particularly on descents, giving it a light trail bike demeanor despite its 120mm rear travel. This slacker angle contributes to a longer wheelbase of 1194.0mm (compared to the Blur's 1183.0mm), enhancing stability at speed. The Blur's steeper 67.1-degree head tube angle, while still progressive for an XC bike, suggests quicker, more precise steering that is ideal for navigating tight race courses, but might feel less forgiving on very steep or fast technical terrain. This difference in head angle by 1.1 degrees is significant in how each bike feels when pointed downhill. Seat tube angles and bottom bracket drop also play a role in fit and performance. The Hei Hei's steeper 76.0-degree effective seat tube angle places the rider in a more forward, efficient climbing position, a trait appreciated by reviewers for technical ascents where weight distribution is key. The Blur's 74.9-degree seat tube angle, while still respectable, is a degree slacker, which might necessitate more active body English to keep the front wheel planted on very steep grades. The Blur has a deeper bottom bracket drop (33.0mm vs. Hei Hei's 31.0mm), meaning its bottom bracket sits lower relative to the wheel axles. This contributes to a 'planted' feel in corners, enhancing stability, but could lead to marginally more pedal strikes in extremely rocky terrain. Overall, the Hei Hei's geometry leans towards a forgiving, stable, and comfortable ride, while the Blur's prioritizes an aggressive, quick, and efficient race-ready stance.

vs
FIT GEOHeiBlur
Stack630607-23
Reach474458-16
Top tube633621-12
Headtube length130110-20
Standover height753745-8
Seat tube length450470+20
HANDLINGHeiBlur
Headtube angle6667.1+1.1
Seat tube angle75.974.9-1
BB height344340-4
BB drop3133+2
Trail
Offset44
Front center790747-43
Wheelbase12231183-40
Chainstay length435436+1

Who each one is for

Kona Hei Hei

The Kona Hei Hei G10 is for the rider who seeks a genuinely versatile short-travel mountain bike, comfortable enough for all-day backcountry epics but capable enough to playfully tackle local technical singletrack. If you're someone who values reliable mechanical components, enjoys an active, engaging ride that's easy to get airborne, and wants a bike that inspires confidence on varied descents without feeling sluggish on climbs, this is your machine. It’s ideal for the rider who prioritizes comfort and fun over shaving every last gram for a race, perhaps enjoying bikepacking trips as much as after-work laps, and appreciates a robust build that can take a beating.

Santa Cruz Blur

The Santa Cruz Blur V4 is for the dedicated cross-country or marathon racer who demands absolute efficiency and cutting-edge performance. If you're chasing podiums in endurance events, value a featherlight carbon frame, and desire the instantaneous response of electronic shifting and flight attendant suspension, the Blur is your tool. This bike excels for riders who want to climb technical terrain with maximum traction, are willing to engage a lockout on smooth climbs for ultimate stiffness, and prioritize surgical precision and speed over a more relaxed, playful trail feel. It's a premium investment for those who view every ride as an opportunity to push limits and race the clock.

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