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2018 Lapierre

XR 929 Ultimate

A 29″ carbon frame full suspension crosscountry bike with ultra high-end components.
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Weight23.6 lbs  
FrameCarbon
SuspensionFull, 100 / 100mm
ForkRockShox SID
ShockRockShox Deluxe
Wheels29″ Carbon
Drivetrain1 × 12
GroupsetXX1 Eagle, X01 Eagle
BrakesSRAM Level Ultimate Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
XR 929 Ultimate
Other Crosscountry bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

XR 929 Ultimate

27 mph

Similar Bikes

Highest gear

(descending)

Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

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Reviews

Summary

The Lapierre XR series offers a mix of efficiency and comfort, tailored for cross-country and marathon racing. Its suspension design, particularly the OST+ system, provides excellent traction and a plush ride, though some models suffer from flex and tuning challenges with specific forks. The geometry leans towards stability and comfort, making it suitable for longer distances, but this can come at the expense of agility and weight.

Pros
  • Super-efficient drivetrain

  • Lightweight frame

  • Great traction without obvious bob

  • Progressive frame geometry

  • Superb suspension with good sensitivity and support

Cons
  • Upside-down RS-1 fork hard to tune and undermines control and confidence

  • Flexy frame along its length

  • Weight is a touch on the higher side for the price

  • Back end may feel a bit soft for power transfer

Key Quotes
Blisteringly rapid race/distance weapon, but the fork seriously undermines control and confidence.
BikeRadar logoBikeRadar
The XR descends sure-footedly and resists being bounced off line better than its featherweight rivals.
MBR logoMBR
Lapierre's XR729 is a really well-balanced cross country and marathon machine that's impressively adept when it comes to descending
off.road.cc logooff.road.cc

Feedback?

View all reviews

MBR
Lapierre XR 529 (2018) review - MBR

May 2018 · James Bracey

The 2018 Lapierre XR 529 is the bike Lapierre developed to meet the demands of XCO and Marathon cross country racing but it's a capable trail bike too.

Highs
  • OST+ suspension design ekes out every last mm of travel.

  • Geometry is less traditional XC race than many similar bikes.

Lows
  • Uninspiring wheels.

  • SRAM Level brakes feel agricultural.

  • Weight.

Read Review

off.road.cc
Lapierre XR 729 review

Apr 2018

Lapierre's XR729 is a really well-balanced cross country and marathon machine that's impressively adept when it comes to descending, though full-on race heads might be put off by a weight that's a touch on the higher side when you consider the price tag. Buyer's guide to mountain bikes: get the best MTB for you and your budget When should you replace your bicycle helmet? We asked the experts...

Read Review

BikeRadar
Lapierre XR 929 Ultimate first ride review

Dec 2017 · Guy Kesteven

The XR gets a totally new frame for this year, with a humped top tube, S-curved down tube and a bend in the seat tube for improved rear-wheel clearance. . .

Read Review

Bikerumor
First Ride: Lapierre reworks cross country with new XR full suspension

Jul 2016 · Cory Benson

To round out its 70th year of building bikes in France, Lapierre has rolled out several all new bikes for both road and trail riding in 2017. Their two new flagship mountain bikes, both carbon full suspension designs based on the same Lapierre OST+ virtual pivot suspension tech, exist about as far apart on the mountain biking …

Read Review

Geometry
Specs
Build
Frame

Carbon Fiber

Fork

RockShox SID World Cup Solo Air, OneLoc, 110mm boost spacing

Travel100mm

Spring TypeAir

Shock

RockShox Deluxe RL Debonair, remote adjustment, 190mm x 40mm

Travel100mm

Bottom Bracket

SRAM MTB 89/91.5, pressfit

Headset

FSA Orbit No.57ECF, 1.5E, zero-stack

Stem

Lapierre ST148A 7050 alloy, S/M - 60mm length, L/XL - 70mm length

Handlebar

Race Face Next Carbon, 720mm width

Saddle

Fizik Tundra M5

Seatpost

Lapierre ST66-TC Carbon, 400mm length

TypeRigid

Pedals

N/A

Groupset
Rear Derailleur

SRAM XX1 Eagle Gold Type 2.1 Carbon, 12-speed

Front Derailleur

N/A

Crank

SRAM XX1 Eagle Gold, 175mm length, S - 170mm length

Shifters

SRAM X01 Eagle, 12-speed

Cassette

SRAM XG-1299 Eagle Gold, 10-50 tooth, 12-speed

Chain Guide

N/A

Brakes

SRAM Level Ultimate Carbon, gold

TypeSRAM Level Ultimate Hydraulic Disc

Brake Levers

SRAM Level Ultimate Carbon, gold

Wheels
Rims

Lapierre Carbon XC wheelset

Front Hub

Lapierre Carbon XC wheelset

Rear Hub

Lapierre Carbon XC wheelset

Tires

Maxxis Ardent 2.25" / Maxxis Ikon 2.2" folding bead, 60tpi, tubeless ready

Rider Notes
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First added April 14

Last updated April 14

Not listed for 2,953 days